[Discover][UnifiedDataTable] Fix row highlight when reordering columns (elastic#226584)

- Closes elastic#226528

## Summary

![Jul-04-2025
15-29-24](https://github.com/user-attachments/assets/8197e3eb-48f7-43e5-bb8f-7e42ec2d6884)



### Checklist

- [x] 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)
- [x] Review the [backport
guidelines](https://docs.google.com/document/d/1VyN5k91e5OVumlc0Gb9RPa3h1ewuPE705nRtioPiTvY/edit?usp=sharing)
and apply applicable `backport:*` labels.

Author: jughosta

src/platform/packages/shared/kbn-unified-data-table/src/utils/get_render_cell_value.tsx

@@ -90,7 +90,8 @@ export const getRenderCellValueFn = ({
       } else {
         setCellProps({ style: undefined });
       }
-    }, [ctx, row, setCellProps, anchorColor]);
+      // re-apply styles if `columnId` changes, e.g. when reordering columns in the grid
+    }, [ctx, row, setCellProps, anchorColor, columnId]);
 
     if (typeof row === 'undefined') {
       return <span className={CELL_CLASS}>-</span>;