Simplify on connect (blakeblackshear#11176)

frigate/comms/ws.py

@@ -50,10 +50,6 @@ def start(self) -> None:
  class _WebSocketHandler(WebSocket): # type: ignore[misc]
  receiver = self._dispatcher
 
- def opened(self) -> None:
- """A new websocket is opened, we need to send an update message"""
- threading.Timer(1.0, self.receiver, ("onConnect", "")).start()
-
  def received_message(self, message: WebSocket.received_message) -> None:
  try:
  json_message = json.loads(message.data.decode("utf-8"))

web/src/api/ws.tsx

@@ -65,7 +65,13 @@ function useValue(): useValueReturn {
  setWsState({ ...wsState, [data.topic]: data.payload });
  }
  },
- onOpen: () => {},
+ onOpen: () => {
+ sendJsonMessage({
+ topic: "onConnect",
+ message: "",
+ retain: false,
+ });
+ },
  shouldReconnect: () => true,
  });