[8.x] [Lens] Show drag and drop options in the in-line editor (elastic#215892) (elastic#216518)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Lens] Show drag and drop options in the in-line editor
(elastic#215892)](elastic#215892)

<!--- Backport version: 9.6.6 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT [{"author":{"name":"Maria
Iriarte","email":"[email protected]"},"sourceCommit":{"committedDate":"2025-03-25T17:04:09Z","message":"[Lens]
Show drag and drop options in the in-line editor (elastic#215892)\n\n##
Summary\n\nCloses
https://github.com/elastic/kibana/issues/215441\n\nAdds the euiYScroll
styles only to the Lens Editor app, not to the Lens\nin-line
editor.\n\n### Checklist\n\n- [x] The PR description includes the
appropriate Release Notes section,\nand the correct `release_note:*`
label is applied per
the\n[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)\n\n###
Screen
recording\n\n\nhttps://github.com/user-attachments/assets/3e86bcb8-f79d-4b96-91f8-e04d53a510ad","sha":"f62960c1d872e7dffef0a64ef94f3b3470b4b158","branchLabelMapping":{"^v9.1.0$":"main","^v8.19.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Team:Visualizations","release_note:skip","Feature:Lens","backport
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drag and drop options in the in-line
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Show drag and drop options in the in-line editor (elastic#215892)\n\n##
Summary\n\nCloses
https://github.com/elastic/kibana/issues/215441\n\nAdds the euiYScroll
styles only to the Lens Editor app, not to the Lens\nin-line
editor.\n\n### Checklist\n\n- [x] The PR description includes the
appropriate Release Notes section,\nand the correct `release_note:*`
label is applied per
the\n[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)\n\n###
Screen
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Show drag and drop options in the in-line editor (elastic#215892)\n\n##
Summary\n\nCloses
https://github.com/elastic/kibana/issues/215441\n\nAdds the euiYScroll
styles only to the Lens Editor app, not to the Lens\nin-line
editor.\n\n### Checklist\n\n- [x] The PR description includes the
appropriate Release Notes section,\nand the correct `release_note:*`
label is applied per
the\n[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)\n\n###
Screen
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BACKPORT-->

Co-authored-by: Maria Iriarte <[email protected]>

Author: kibanamachine

x-pack/platform/plugins/shared/lens/public/editor_frame_service/editor_frame/config_panel/config_panel.tsx

@@ -6,7 +6,7 @@
  */
 
 import React, { useMemo, memo, useCallback } from 'react';
-import { EuiForm, euiBreakpoint, useEuiTheme } from '@elastic/eui';
+import { EuiForm, euiBreakpoint, useEuiTheme, useEuiOverflowScroll } from '@elastic/eui';
 import { ActionExecutionContext } from '@kbn/ui-actions-plugin/public';
 import { isOfAggregateQueryType } from '@kbn/es-query';
 import {
@@ -257,12 +257,12 @@ export function LayerPanels(
 
   return (
     <EuiForm
-      className="eui-yScroll"
       css={css`
         .lnsApp & {
           padding: ${euiTheme.size.base} ${euiTheme.size.base} ${euiTheme.size.xl}
             calc(400px + ${euiTheme.size.base});
           margin-left: -400px;
+          ${useEuiOverflowScroll('y')}
           ${euiBreakpoint(euiThemeContext, ['xs', 's', 'm'])} {
             padding-left: ${euiTheme.size.base};
             margin-left: 0;