fix: selection areas could not overlay

frontend/app_flowy/packages/flowy_editor/lib/render/selection/flowy_selection_widget.dart → frontend/app_flowy/packages/flowy_editor/lib/render/selection/selection_widget.dart

@@ -25,8 +25,12 @@ class _SelectionWidgetState extends State<SelectionWidget> {
         link: widget.layerLink,
         offset: widget.rect.topLeft,
         showWhenUnlinked: true,
-        child: Container(
-          color: widget.color,
+        // Ignore the gestures in selection overlays
+        //  to solve the problem that selection areas cannot overlap.
+        child: IgnorePointer(
+          child: Container(
+            color: widget.color,
+          ),
         ),
       ),
     );

frontend/app_flowy/packages/flowy_editor/lib/service/selection_service.dart

@@ -5,7 +5,7 @@ import 'package:flowy_editor/document/position.dart';
 import 'package:flowy_editor/document/selection.dart';
 import 'package:flowy_editor/render/selection/selectable.dart';
 import 'package:flowy_editor/render/selection/cursor_widget.dart';
-import 'package:flowy_editor/render/selection/flowy_selection_widget.dart';
+import 'package:flowy_editor/render/selection/selection_widget.dart';
 import 'package:flowy_editor/extensions/object_extensions.dart';
 import 'package:flowy_editor/extensions/node_extensions.dart';
 import 'package:flutter/gestures.dart';