minor fix for acknowledgement

dasf_broker/consumers.py

@@ -152,11 +152,10 @@ class TopicConsumer(JsonWebsocketConsumer):
         topic = self.dasf_topic
         if (
             topic is not None
-            and topic.is_public
-            or self.user.has_perm("dasf_broker.can_produce", topic)
+            and topic.is_response_topic
+            and self.user.has_perm("dasf_broker.can_consume", topic)
         ):
-            if topic.is_response_topic:
-                topic.delete()
+            topic.delete()
 
     def disconnect(self, close_code):
         # Leave room group