Fixed adding messages when id is missing

blink/chatwindow.py

@@ -687,9 +687,10 @@ class ChatWidget(base_class, ui_class):
         return IconManager().get('avatar') or self.default_user_icon
 
     def add_message(self, message):
-        exists = self.chat_element.findFirst(f'#text-{message.id}')
-        if not exists.isNull():
-            return
+        if hasattr(message, 'id'):
+            exists = self.chat_element.findFirst(f'#text-{message.id}')
+            if not exists.isNull():
+                return
         insertion_point = self.chat_element.findFirst('#insert')
         if message.is_related_to(self.last_message):
             message.consecutive = True