Add note that legacy panel types are hidden in some cases since 9.0 (#1950)

^^

Also created #1949 as I
noticed the page is out of date and we never got issues from eng for
recent changes

Closes: elastic/platform-docs-team#551

Author: florent-leborgne

explore-analyze/visualize.md

@@ -18,27 +18,28 @@ $$$panels-editors$$$
 
 | **Content** | **Panel type** | **Description** |
 | --- | --- | --- |
-| Visualizations | | |
-|  | [Lens](visualize/lens.md) | Create powerful [charts](visualize/supported-chart-types.md) in {{kib}}. This is the default editor. |
+| Visualizations | [Lens](visualize/lens.md) | Create powerful [charts](visualize/supported-chart-types.md) in {{kib}}. This is the default editor. |
 |  | [ES|QL](/explore-analyze/query-filter/languages/esql-kibana.md) | Create visualizations from ES|QL queries |
 |  | [Maps](visualize/maps.md) | Create beautiful displays of your geographical data |
 |  | [Field statistics](visualize/field-statistics.md) | Add a field statistics view of your data to your dashboards |
 |  | [Custom visualizations](visualize/custom-visualizations-with-vega.md) | Use Vega to create new types of visualizations |
-| Annotations and navigation | | |
-|  | [Text](visualize/text-panels.md) | Add context to your dashboard with markdown-based **text** |
+|  | | |
+| Annotations and navigation | [Markdown text](visualize/text-panels.md) | Add context to your dashboard with markdown-based **text** |
 |  | [Image](visualize/image-panels.md) | Personalize your dashboard with custom images |
 |  | [Links](visualize/link-panels.md) | Add links to other dashboards or to external websites |
-| Machine Learning and Analytics | | |
-|  | [Anomaly swim lane](machine-learning/machine-learning-in-kibana/xpack-ml-anomalies.md) | Display the results from machine learning anomaly detection jobs |
+|  | | |
+| Machine Learning and Analytics | [Anomaly swim lane](machine-learning/machine-learning-in-kibana/xpack-ml-anomalies.md) | Display the results from machine learning anomaly detection jobs |
 |  | [Anomaly chart](machine-learning/machine-learning-in-kibana/xpack-ml-anomalies.md) | Display an anomaly chart from the **Anomaly Explorer** |
 |  | [Single metric viewer](machine-learning/machine-learning-in-kibana/xpack-ml-anomalies.md) | Display an anomaly chart from the **Single Metric Viewer** |
 |  | [Change point detection](machine-learning/machine-learning-in-kibana/xpack-ml-aiops.md#change-point-detection) | Display a chart to visualize change points in your data |
-| Observability | | |
-|  | [SLO overview](/solutions/observability/incident-management/service-level-objectives-slos.md) | Visualize a selected SLO’s health, including name, current SLI value, target, and status |
+|  | | |
+| Observability | [SLO overview](/solutions/observability/incident-management/service-level-objectives-slos.md) | Visualize a selected SLO’s health, including name, current SLI value, target, and status |
 |  | [SLO Alerts](/solutions/observability/incident-management/service-level-objectives-slos.md) | Visualize one or more SLO alerts, including status, rule name, duration, and reason. In addition, configure and update alerts, or create cases directly from the panel. |
 |  | [SLO Error Budget](/solutions/observability/incident-management/service-level-objectives-slos.md) | Visualize the consumption of your SLO’s error budget |
-| Legacy | | |
-|  | [Log stream](/solutions/observability/logs.md) (deprecated) | Display a table of live streaming logs |
-|  | [Aggregation based](visualize/legacy-editors/aggregation-based.md) | Create visualizations including area, line, and pie charts and split them up to three aggregation levels. While these panel types are still available, we recommend using [Lens](visualize/lens.md) instead. |
+|  | | |
+| Legacy | [Aggregation based](visualize/legacy-editors/aggregation-based.md) | Create visualizations including area, line, and pie charts and split them up to three aggregation levels. While these panel types are still available, we recommend using [Lens](visualize/lens.md) instead. |
 |  | [TSVB](visualize/legacy-editors/tsvb.md) | Visualize time-based data through various panel types |
 
+:::{note}
+Legacy panel types only appear in the **Add panel** dashboard menu if you already have such panels in your dashboards. If you have never used these panel types, use Lens instead.
+:::

explore-analyze/visualize/legacy-editors.md

@@ -12,6 +12,10 @@ products:
 
 Legacy editors are still available but have been replaced by better alternatives. Consider using one of the [modern editors](../visualize.md) offered in Elastic such as **Lens**.
 
+:::{note}
+Legacy panel types only appear in the **Add panel** dashboard menu if you already have such panels in your dashboards. If you have never used these panel types, use Lens instead.
+:::
+
 The legacy editors are:
 
 - [Aggregation-based](legacy-editors/aggregation-based.md)