Handle keyboard shortcut FocusNode causing memory leak (#4158)

lib/features/thread_detail/presentation/extension/close_thread_detail_action.dart

@@ -1,5 +1,6 @@
 import 'package:tmail_ui_user/features/email/presentation/action/email_ui_action.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/model/dashboard_routes.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/extension/handle_mail_shortcut_actions_extension.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/thread_detail_controller.dart';
 
 extension CloseThreadDetailAction on ThreadDetailController {
@@ -15,6 +16,8 @@ extension CloseThreadDetailAction on ThreadDetailController {
       mailboxDashBoardController.dispatchEmailUIAction(EmailUIAction());
     });
 
+    onKeyboardShortcutDispose();
+
     reset();
   }
 }

lib/features/thread_detail/presentation/extension/handle_mail_shortcut_actions_extension.dart

@@ -56,6 +56,7 @@ extension HandleMailShortcutActionsExtension on ThreadDetailController {
   void onKeyboardShortcutDispose() {
     if (PlatformInfo.isWeb) {
       keyboardShortcutFocusNode?.dispose();
+      keyboardShortcutFocusNode = null;
       shortcutActionEventSubscription?.cancel();
       shortcutActionEventController?.close();
     }

lib/features/thread_detail/presentation/extension/thread_detail_on_selected_email_updated.dart

@@ -10,6 +10,7 @@ import 'package:tmail_ui_user/features/thread_detail/domain/state/get_emails_by_
 import 'package:tmail_ui_user/features/thread_detail/domain/state/get_thread_by_id_state.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/action/thread_detail_ui_action.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/close_thread_detail_action.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/extension/handle_mail_shortcut_actions_extension.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/thread_detail_controller.dart';
 
 extension ThreadDetailOnSelectedEmailUpdated on ThreadDetailController {
@@ -23,6 +24,7 @@ extension ThreadDetailOnSelectedEmailUpdated on ThreadDetailController {
     }
 
     emailIdsPresentation.clear();
+    onKeyboardShortcutInit();
     scrollController ??= ScrollController();
 
     if (currentExpandedEmailId.value == null) {

lib/features/thread_detail/presentation/thread_detail_controller.dart

@@ -212,8 +212,6 @@ class ThreadDetailController extends BaseController {
         );
       }
     });
-
-    onKeyboardShortcutInit();
   }
 
   bool _validateLoadThread(ThreadId? threadId) {