[controls] fix Korean characters split into 2 characters with space i…

…n between when typing in options list search input (#213164)

Closes #213150

Test steps
* Follow https://www.youtube.com/watch?v=vjulSf3Kwu4 to setup duel
language inputs with English and Korean.
* Create a dashboard with an options list. Switch to Korean input and
type in option list control. Type the characters `d` and `k` on an
english keyboard.
* Ensure input treats value as a single character.
<img width="591" alt="Screenshot 2025-03-04 at 1 52 14 PM"
src="https://github.com/user-attachments/assets/c7cfe0f5-156d-4949-932a-96067bf20fd6"
/>

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
(cherry picked from commit 3ce9019)

src/platform/packages/shared/presentation/presentation_publishing/publishing_subject/publishing_batcher.ts

@@ -102,6 +102,8 @@ export const useBatchedOptionalPublishingSubjects = <
  * Batches the latest values of multiple publishing subjects into a single object. Use this to avoid unnecessary re-renders.
  * Use when `subjects` are static and do not change over the lifetime of the component.
  *
+ * Do not use when value is used as an input value to avoid debouncing user interactions
+ *
  * @param subjects Publishing subjects array.
  */
 export const useBatchedPublishingSubjects = <

src/platform/plugins/shared/controls/public/controls/data_controls/options_list_control/components/options_list_popover_action_bar.tsx

@@ -18,7 +18,10 @@ import {
   EuiText,
   EuiToolTip,
 } from '@elastic/eui';
-import { useBatchedPublishingSubjects } from '@kbn/presentation-publishing';
+import {
+  useBatchedPublishingSubjects,
+  useStateFromPublishingSubject,
+} from '@kbn/presentation-publishing';
 
 import { getCompatibleSearchTechniques } from '../../../../../common/options_list/suggestions_searching';
 import { useOptionsListContext } from '../options_list_context_provider';
@@ -36,16 +39,18 @@ export const OptionsListPopoverActionBar = ({
 }: OptionsListPopoverProps) => {
   const { api, stateManager, displaySettings } = useOptionsListContext();
 
+  // Using useStateFromPublishingSubject instead of useBatchedPublishingSubjects
+  // to avoid debouncing input value
+  const searchString = useStateFromPublishingSubject(stateManager.searchString);
+
   const [
-    searchString,
     searchTechnique,
     searchStringValid,
     invalidSelections,
     totalCardinality,
     field,
     allowExpensiveQueries,
   ] = useBatchedPublishingSubjects(
-    stateManager.searchString,
     stateManager.searchTechnique,
     stateManager.searchStringValid,
     api.invalidSelections$,