[Bug][Table Visualization] Fix first column sort issue

Currently, the first column of table vis won't sort. This PR fixes
the bug.

Issue Resolved:
#2827

Signed-off-by: Anan Zhuang <ananzh@amazon.com>

src/plugins/vis_type_table_new/public/components/table_vis_component.tsx

@@ -38,7 +38,7 @@ export const TableVisComponent = ({
   const pagination = usePagination(visConfig, rows.length);
 
   const sortedRows = useMemo(() => {
-    return uiState.sort?.colIndex && uiState.sort.direction
+    return uiState.sort.colIndex !== null && uiState.sort.direction
       ? orderBy(rows, columns[uiState.sort.colIndex]?.id, uiState.sort.direction)
       : rows;
   }, [columns, rows, uiState]);