feat(web): mqtt for stats

frigate/http.py

@@ -43,7 +43,7 @@ class MqttBackend():
             json_message = json.loads(message)
             json_message = {
                 'topic': f"{self.topic_prefix}/{json_message['topic']}",
-                'payload': json_message.get['payload'],
+                'payload': json_message['payload'],
                 'retain': json_message.get('retain', False)
             }
         except:
@@ -73,7 +73,7 @@ class MqttBackend():
                 except:
                     logger.debug("Removing websocket client due to a closed connection.")
                     self.clients.remove(client)
-        
+
         self.mqtt_client.message_callback_add(f"{self.topic_prefix}/#", send)
 
     def start(self):