Fixed race-condition-like bug, when switching between chats too fast

lib/model/chatList/chatProps.dart

@@ -5,6 +5,7 @@ import '../dataHolder.dart';
 
 class ChatProps extends DataHolder {
   String _queryToken = "";
+  DateTime _lastRequest = DateTime.now();
 
   GetChatResponse? _getChatResponse;
   GetChatResponse get getChatResponse => _getChatResponse!;
@@ -17,11 +18,15 @@ class ChatProps extends DataHolder {
   @override
   void run() {
     notifyListeners();
+    DateTime requestStart = DateTime.now();
     GetChatCache(
       chatToken: _queryToken,
-      onUpdate: (GetChatResponse data) => {
-        _getChatResponse = data,
-        notifyListeners(),
+      onUpdate: (GetChatResponse data) {
+        if(!_lastRequest.isBefore(requestStart)) return; // Another request was faster
+        _lastRequest = DateTime.now();
+
+        _getChatResponse = data;
+        notifyListeners();
       }
     );
   }
@@ -35,5 +40,4 @@ class ChatProps extends DataHolder {
   String currentToken() {
     return _queryToken;
   }
-
 }