feat(app): call refreshWatchAppAndWidgets after delete a friend

@@ -205,6 +205,7 @@ class FriendsController extends GetxController {
       final userId = friend.userId;
       if (userId == null) return;
       await _repository.deleteFriend(userId);
+      await _refreshWatchAppAndWidgetsAfterFriendDeleted();
       await loadFriends();
     } catch (error, stackTrace) {
       if (error is AppError) {
@@ -218,4 +219,16 @@ class FriendsController extends GetxController {
       }
     }
   }
+
+  Future<void> _refreshWatchAppAndWidgetsAfterFriendDeleted() async {
+    try {
+      await PlatformHostApi().refreshWatchAppAndWidgets();
+    } catch (error, stackTrace) {
+      AppLogger.e(
+        'FriendsController.refreshWatchAppAndWidgetsAfterFriendDeleted failed',
+        error,
+        stackTrace,
+      );
+    }
+  }
 }