chore: make select option cell selectable

frontend/app_flowy/lib/plugins/board/presentation/card/board_select_option_cell.dart

@@ -56,23 +56,23 @@ class _BoardSelectOptionCellState extends State<BoardSelectOptionCell> {
                   (option) => SelectOptionTag.fromOption(
                     context: context,
                     option: option,
+                    onSelected: () {
+                      SelectOptionCellEditor.show(
+                        context: context,
+                        cellController: widget.cellControllerBuilder.build()
+                            as GridSelectOptionCellController,
+                      );
+                    },
                   ),
                 )
                 .toList();
 
             return IntrinsicHeight(
-              child: Stack(
-                alignment: AlignmentDirectional.center,
-                fit: StackFit.expand,
-                children: [
-                  Padding(
-                    padding: const EdgeInsets.symmetric(vertical: 6),
-                    child: Wrap(spacing: 4, runSpacing: 2, children: children),
-                  ),
-                  _SelectOptionDialog(
-                    controller: widget.cellControllerBuilder.build(),
-                  ),
-                ],
+              child: Padding(
+                padding: const EdgeInsets.symmetric(vertical: 6),
+                child: SizedBox.expand(
+                  child: Wrap(spacing: 4, runSpacing: 2, children: children),
+                ),
               ),
             );
           }
@@ -98,12 +98,13 @@ class _SelectOptionDialog extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return InkWell(onTap: () {
-      SelectOptionCellEditor.show(
-        context,
-        _controller,
-        () {},
-      );
-    });
+    return SizedBox(
+      child: InkWell(onTap: () {
+        SelectOptionCellEditor.show(
+          context: context,
+          cellController: _controller,
+        );
+      }),
+    );
   }
 }

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

@@ -183,9 +183,10 @@ class SelectOptionWrap extends StatelessWidget {
         InkWell(onTap: () {
           onFocus?.call(true);
           SelectOptionCellEditor.show(
-            context,
-            cellControllerBuilder.build() as GridSelectOptionCellController,
-            () => onFocus?.call(false),
+            context: context,
+            cellController:
+                cellControllerBuilder.build() as GridSelectOptionCellController,
+            onDismissed: () => onFocus?.call(false),
           );
         }),
       ],

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

@@ -26,11 +26,11 @@ const double _editorPannelWidth = 300;
 
 class SelectOptionCellEditor extends StatelessWidget with FlowyOverlayDelegate {
   final GridSelectOptionCellController cellController;
-  final VoidCallback onDismissed;
+  final VoidCallback? onDismissed;
 
   const SelectOptionCellEditor({
     required this.cellController,
-    required this.onDismissed,
+    this.onDismissed,
     Key? key,
   }) : super(key: key);
 
@@ -58,14 +58,14 @@ class SelectOptionCellEditor extends StatelessWidget with FlowyOverlayDelegate {
     );
   }
 
-  static void show(
-    BuildContext context,
-    GridSelectOptionCellController cellContext,
-    VoidCallback onDismissed,
-  ) {
+  static void show({
+    required BuildContext context,
+    required GridSelectOptionCellController cellController,
+    VoidCallback? onDismissed,
+  }) {
     SelectOptionCellEditor.remove(context);
     final editor = SelectOptionCellEditor(
-      cellController: cellContext,
+      cellController: cellController,
       onDismissed: onDismissed,
     );
 
@@ -94,7 +94,7 @@ class SelectOptionCellEditor extends StatelessWidget with FlowyOverlayDelegate {
   bool asBarrier() => true;
 
   @override
-  void didRemove() => onDismissed();
+  void didRemove() => onDismissed?.call();
 }
 
 class _OptionList extends StatelessWidget {