Now the uri handler gets called immediately after the handshake. In the handler we can identify that this was the handshake by checking req->method as it is still a GET from the first part of the handshake the client has sent. On a normal websocket-frame-receive (when normally a websocket uriHandler gets called) this field is set to 0
Closes https://github.com/espressif/esp-idf/issues/6597