Regenerate genai tracked object descriptions (#13930)

* add genai to frigateconfig

* add regenerate button if genai is enabled

* add endpoint and new zmq pub/sub model

* move publisher to app

* dont override

* logging

* debug timeouts

* clean up

* clean up

* allow saving of empty description

* ensure descriptions can be empty

* update search detail when results change

* revalidate explore page on focus

* global mutate hook

* description websocket hook and dispatcher

* revalidation and mutation

* fix merge conflicts

* update tests

* fix merge conflicts

* fix response message

* fix response message

* fix fastapi

* fix test

* remove log

* json content

* fix content response

* more json content fixes

* another one

frigate/comms/dispatcher.py

@@ -140,6 +140,10 @@ class Dispatcher:
             event: Event = Event.get(Event.id == payload["id"])
             event.data["description"] = payload["description"]
             event.save()
+            self.publish(
+                "event_update",
+                json.dumps({"id": event.id, "description": event.data["description"]}),
+            )
         elif topic == "onConnect":
             camera_status = self.camera_activity.copy()