[Lens] [Metric chart] Update appearance popover (elastic#233992)

Closes elastic#233702

## Summary

Updates titles and text toolbar popover for metric chart, now called
"Appearance".


https://github.com/user-attachments/assets/54bcd8aa-cf87-45e2-a39c-3ec6fa8bf59e

Shows all settings and disables the ones that weren't shown before:
subtitle, secondary metric align and icon position.

<img width="2560" height="906" alt="Screenshot 2025-09-04 at 13 41 46"
src="https://github.com/user-attachments/assets/431e7e4a-6962-4de6-805e-8238ff6a72d4"
/>

#### Considerations

Prevents unnecessary state updates by ensuring that when a user clicks
an option that is already selected, the state is not updated.

### Checklist

- [ ] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)
- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [ ] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed
- [ ] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)
- [ ] Review the [backport
guidelines](https://docs.google.com/document/d/1VyN5k91e5OVumlc0Gb9RPa3h1ewuPE705nRtioPiTvY/edit?usp=sharing)
and apply applicable `backport:*` labels.

Author: mariairiartef

x-pack/platform/plugins/private/translations/translations/de-DE.json

@@ -24205,7 +24205,6 @@
     "xpack.lens.metric.progressDirection.vertical": "Vertikal",
     "xpack.lens.metric.progressDirectionLabel": "Bar-Ausrichtung",
     "xpack.lens.metric.secondaryMetric": "Sekundäre Metrik",
-    "xpack.lens.metric.subtitleLabel": "Untertitel",
     "xpack.lens.metric.summportingVis.needMaxDimension": "Für Balkenvisualisierungen muss ein Höchstwert festgelegt werden.",
     "xpack.lens.metric.supportingVis.label": "Unterstützung der Visualisierung",
     "xpack.lens.metric.supportingVis.metricHasReducedTimeRange": "Linienvisualisierungen können nicht verwendet werden, wenn ein reduzierter Zeitbereich auf die primäre Metrik angewendet wird.",
@@ -24215,14 +24214,6 @@
     "xpack.lens.metric.supportingVisualization.bar": "Leiste",
     "xpack.lens.metric.supportingVisualization.trendline": "Zeile",
     "xpack.lens.metric.timeField": "Zeitfeld",
-    "xpack.lens.metric.toolbarTitlesText.default": "Standardeinstellungen",
-    "xpack.lens.metric.toolbarTitlesText.fit": "Anpassen",
-    "xpack.lens.metric.toolbarTitlesText.iconAlignment": "Symbolausrichtung",
-    "xpack.lens.metric.toolbarTitlesText.label": "Titel und Text",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignment": "Titelausrichtung",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignmentTip": "Ausrichtung des Titels und Untertitels",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSize": "Schriftgröße des Werts",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSizeTip": "Schriftgröße des Primärmetrikwerts",
     "xpack.lens.metric.visualizationDescription": "Präsentieren Sie individuelle Schlüsselkennzahlen oder KPIs.",
     "xpack.lens.missingTimeRangeParam.longMessage": "Die Eigenschaft timeRange ist für die angegebene Konfiguration erforderlich",
     "xpack.lens.missingTimeRangeParam.shortMessage": "Fehlende timeRange-Eigenschaft",

x-pack/platform/plugins/private/translations/translations/fr-FR.json

@@ -24272,7 +24272,6 @@
     "xpack.lens.metric.progressDirection.vertical": "Vertical",
     "xpack.lens.metric.progressDirectionLabel": "Orientation de la barre",
     "xpack.lens.metric.secondaryMetric": "Indicateur secondaire",
-    "xpack.lens.metric.subtitleLabel": "Sous-titre",
     "xpack.lens.metric.summportingVis.needMaxDimension": "Les visualisations des barres requièrent la définition d'une valeur maximale.",
     "xpack.lens.metric.supportingVis.label": "Visualisation de support",
     "xpack.lens.metric.supportingVis.metricHasReducedTimeRange": "Les visualisations linéaires ne peuvent pas être utilisées lorsqu'une plage temporelle réduite est appliquée à l'indicateur principal.",
@@ -24282,14 +24281,6 @@
     "xpack.lens.metric.supportingVisualization.bar": "Barres",
     "xpack.lens.metric.supportingVisualization.trendline": "Ligne",
     "xpack.lens.metric.timeField": "Champ temporel",
-    "xpack.lens.metric.toolbarTitlesText.default": "Par défaut",
-    "xpack.lens.metric.toolbarTitlesText.fit": "Ajuster",
-    "xpack.lens.metric.toolbarTitlesText.iconAlignment": "Alignement des icônes",
-    "xpack.lens.metric.toolbarTitlesText.label": "Titres et texte",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignment": "Alignement des titres",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignmentTip": "Alignement du titre et du sous-titre",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSize": "Taille de police de la valeur",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSizeTip": "Taille de police de la valeur d'indicateur principal",
     "xpack.lens.metric.visualizationDescription": "Présentez les indicateurs clés de performance individuels.",
     "xpack.lens.missingTimeRangeParam.longMessage": "La propriété timeRange est requise pour cette configuration.",
     "xpack.lens.missingTimeRangeParam.shortMessage": "Propriété timeRange manquante",

x-pack/platform/plugins/private/translations/translations/ja-JP.json

@@ -24303,7 +24303,6 @@
     "xpack.lens.metric.progressDirection.vertical": "縦",
     "xpack.lens.metric.progressDirectionLabel": "棒の向き",
     "xpack.lens.metric.secondaryMetric": "副メトリック",
-    "xpack.lens.metric.subtitleLabel": "サブタイトル",
     "xpack.lens.metric.summportingVis.needMaxDimension": "棒グラフの可視化では、最大値を定義する必要があります。",
     "xpack.lens.metric.supportingVis.label": "可視化のサポート",
     "xpack.lens.metric.supportingVis.metricHasReducedTimeRange": "縮小された時間範囲が主メトリックに適用されている場合は、折れ線グラフの可視化を使用できません。",
@@ -24313,14 +24312,6 @@
     "xpack.lens.metric.supportingVisualization.bar": "棒",
     "xpack.lens.metric.supportingVisualization.trendline": "折れ線",
     "xpack.lens.metric.timeField": "時間フィールド",
-    "xpack.lens.metric.toolbarTitlesText.default": "デフォルト",
-    "xpack.lens.metric.toolbarTitlesText.fit": "合わせる",
-    "xpack.lens.metric.toolbarTitlesText.iconAlignment": "アイコン配置",
-    "xpack.lens.metric.toolbarTitlesText.label": "タイトルとテキスト",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignment": "タイトル配置",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignmentTip": "タイトルとサブタイトルの配置",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSize": "値フォントサイズ",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSizeTip": "主メトリック値のフォントサイズ",
     "xpack.lens.metric.visualizationDescription": "個別の主要メトリックまたはKPIを提供します。",
     "xpack.lens.missingTimeRangeParam.longMessage": "指定された構成にはtimeRangeプロパティが必須です",
     "xpack.lens.missingTimeRangeParam.shortMessage": "timeRangeプロパティがありません",

x-pack/platform/plugins/private/translations/translations/zh-CN.json

@@ -24295,7 +24295,6 @@
     "xpack.lens.metric.progressDirection.vertical": "垂直",
     "xpack.lens.metric.progressDirectionLabel": "条形图方向",
     "xpack.lens.metric.secondaryMetric": "次级指标",
-    "xpack.lens.metric.subtitleLabel": "子标题",
     "xpack.lens.metric.summportingVis.needMaxDimension": "条形图可视化需要定义一个最大值。",
     "xpack.lens.metric.supportingVis.label": "支持可视化",
     "xpack.lens.metric.supportingVis.metricHasReducedTimeRange": "将缩小的时间范围应用于主要指标时，无法使用折线图可视化。",
@@ -24305,14 +24304,6 @@
     "xpack.lens.metric.supportingVisualization.bar": "条形图",
     "xpack.lens.metric.supportingVisualization.trendline": "折线图",
     "xpack.lens.metric.timeField": "时间字段",
-    "xpack.lens.metric.toolbarTitlesText.default": "默认",
-    "xpack.lens.metric.toolbarTitlesText.fit": "适应",
-    "xpack.lens.metric.toolbarTitlesText.iconAlignment": "图标对齐方式",
-    "xpack.lens.metric.toolbarTitlesText.label": "标题和文本",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignment": "标题对齐方式",
-    "xpack.lens.metric.toolbarTitlesText.titlesAlignmentTip": "标题和子标题的对齐方式",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSize": "值字体大小",
-    "xpack.lens.metric.toolbarTitlesText.valueFontSizeTip": "主要指标值的字体大小",
     "xpack.lens.metric.visualizationDescription": "展示单个关键指标或 KPI。",
     "xpack.lens.missingTimeRangeParam.longMessage": "给定配置需要包含 timeRange 属性",
     "xpack.lens.missingTimeRangeParam.shortMessage": "缺少 timeRange 属性",

x-pack/platform/plugins/shared/lens/public/shared_components/toolbar_popover.tsx

@@ -43,7 +43,7 @@ export type ToolbarPopoverProps = Partial<EuiPopoverProps> & {
   handleClose?: () => void;
 };
 
-const defaultPanelStyles = { width: '410px' };
+const defaultPanelStyles = { width: '420px' };
 
 export const ToolbarPopover: React.FC<PropsWithChildren<ToolbarPopoverProps>> = ({
   children,
@@ -86,7 +86,7 @@ export const ToolbarPopover: React.FC<PropsWithChildren<ToolbarPopoverProps>> =
           handleClose?.();
         }}
         anchorPosition="downRight"
-        panelPaddingSize="s"
+        panelPaddingSize="m"
         {...euiPopoverProps}
       >
         <EuiPopoverTitle data-test-subj={`${euiPopoverProps['data-test-subj']}_title`}>