Migrate mqtt discovery subscribes to use internal helper (#118279)

homeassistant/components/mqtt/discovery.py

@@ -329,8 +329,7 @@ async def async_start(  # noqa: C901
 
     mqtt_data.last_discovery = time.monotonic()
     mqtt_integrations = await async_get_mqtt(hass)
-
-    for integration, topics in mqtt_integrations.items():
+    integration_unsubscribe = mqtt_data.integration_unsubscribe
 
     async def async_integration_message_received(
         integration: str, msg: ReceiveMessage
@@ -344,7 +343,7 @@ async def async_start(  # noqa: C901
         # Note: The lock is not intended to prevent a race, only for performance
         async with mqtt_data.data_config_flow_lock:
             # Already unsubscribed
-                if key not in mqtt_data.integration_unsubscribe:
+            if key not in integration_unsubscribe:
                 return
 
             data = MqttServiceInfo(
@@ -364,16 +363,18 @@ async def async_start(  # noqa: C901
                 and result["reason"]
                 in ("already_configured", "single_instance_allowed")
             ):
-                    mqtt_data.integration_unsubscribe.pop(key)()
+                integration_unsubscribe.pop(key)()
 
-        mqtt_data.integration_unsubscribe.update(
+    integration_unsubscribe.update(
         {
-                f"{integration}_{topic}": await mqtt.async_subscribe(
+            f"{integration}_{topic}": mqtt.async_subscribe_internal(
                 hass,
                 topic,
                 functools.partial(async_integration_message_received, integration),
                 0,
+                job_type=HassJobType.Coroutinefunction,
             )
+            for integration, topics in mqtt_integrations.items()
             for topic in topics
         }
     )