feat(chats): added refresh timer for chat room, feat(diary): fixed plan duration in plan widget and added date to app bar)

lib/features/chat/presentation/bloc/chat_room_cubit/chat_room_cubit.dart

@@ -28,8 +28,22 @@ class ChatRoomCubit extends Cubit<ChatRoomState> {
   int currentPage = 1;
   late int lastPage;
   bool isLoading = false;
+  Timer? _timer;
 
-  ChatRoomCubit({required this.chatRepository, required this.wsManager, required this.cardsRepository}) : super(const ChatRoomState.loading());
+  ChatRoomCubit({
+    required this.chatRepository,
+    required this.wsManager,
+    required this.cardsRepository,
+  }) : super(const ChatRoomState.loading());
+
+  void setTimer() {
+    _timer?.cancel();
+    _timer = Timer.periodic(const Duration(seconds: 5), (_) => updateChosenPlanState());
+  }
+
+  void cancelTimer() {
+    _timer?.cancel();
+  }
 
   loadNextPage(String chatId) async {
     if (currentPage < lastPage && !isLoading) {
@@ -97,7 +111,6 @@ class ChatRoomCubit extends Cubit<ChatRoomState> {
       if (chosenPlan?.consultantId == chatRoom.users.sender.id) {
         await checkCards();
       }
-
     } catch (e) {
       log(e.toString());
       typingSubscription?.cancel();
@@ -234,6 +247,7 @@ class ChatRoomCubit extends Cubit<ChatRoomState> {
   @override
   Future<void> close() async {
     wsManager.unsubscribeDirectChatChannel();
+    _timer?.cancel();
     messagesSubscription?.cancel();
     typingSubscription?.cancel();
     super.close();