fix: clicking on option capsule will now create and select the new option value

Author: moksh-mahajan

frontend/app_flowy/lib/workspace/presentation/plugins/grid/src/widgets/cell/select_option_cell/select_option_editor.dart

@@ -207,6 +207,7 @@ class _CreateOptionCell extends StatelessWidget {
         SelectOptionTag(
           name: name,
           color: theme.shader6,
+          onSelected: () => context.read<SelectOptionCellEditorBloc>().add(SelectOptionEditorEvent.newOption(name)),
         ),
       ],
     );