disable polling (#4441)

reflex/.templates/web/utils/state.js

@@ -799,7 +799,7 @@ export const useEventLoop = (
         connect(
           socket,
           dispatch,
-          ["websocket", "polling"],
+          ["websocket"],
           setConnectErrors,
           client_storage
         );

reflex/app.py

@@ -363,6 +363,7 @@ class App(MiddlewareMixin, LifespanMixin):
                 max_http_buffer_size=constants.POLLING_MAX_HTTP_BUFFER_SIZE,
                 ping_interval=constants.Ping.INTERVAL,
                 ping_timeout=constants.Ping.TIMEOUT,
+                transports=["websocket"],
             )
         elif getattr(self.sio, "async_mode", "") != "asgi":
             raise RuntimeError(