changed autocompleteValue initializer to return actual column filterV…

…alue

(aka fixed bug that I introduced myself in previous commit)

packages/material-react-table/src/components/inputs/MRT_FilterTextField.tsx

@@ -150,7 +150,7 @@ export const MRT_FilterTextField = <TData extends MRT_RowData>({
   );
   const [autocompleteValue, setAutocompleteValue] =
     useState<DropdownOption | null>(
-      isAutocompleteFilter ? (filterValue as DropdownOption | null) : null,
+      () => isAutocompleteFilter ? ((column.getFilterValue() || null) as DropdownOption | null) : null,
     );
 
   const handleChangeDebounced = useCallback(