setCellDropdown method
Set the typed dropdown for an individual cell.
Implementation
Future<void> setCellDropdown(
int row, int col, ListEditorParams dropdown) async {
await VolvoxGridService.UpdateCells(UpdateCellsRequest()
..gridId = _gridId
..cells.add(CellUpdate()
..row = row
..col = col
..editor = _listEditorSpec(dropdown)));
notifyListeners();
}