[ES|QL] Fixes the wrongly focused suggestion (#198654)

## Summary

Removes the wrongly focused panel id.

**Now**

<img width="421" alt="image"
src="https://github.com/user-attachments/assets/31ab675a-349a-49ca-a2aa-8272ff88319d">

**Before**
<img width="524" alt="image"
src="https://github.com/user-attachments/assets/0483f46c-3cfb-48b7-b32e-ff15e2a285ff">

(cherry picked from commit 867b05e)

src/plugins/unified_search/public/query_string_input/esql_menu_popover.tsx

@@ -145,7 +145,6 @@ export const ESQLMenuPopover: React.FC<ESQLMenuPopoverProps> = ({
       },
       {
         id: 1,
-        initialFocusedItemIndex: 1,
         title: i18n.translate('unifiedSearch.query.queryBar.esqlMenu.exampleQueries', {
           defaultMessage: 'Recommended queries',
         }),