`onWebsocketMessage()` TikTokWebsocketMessageEvent new event that is
triggered when new ProtocolBuffer message come from TikTok server.
Should be mainly use for debuging purpose
Bugs:
- Fixed bug: WebcastSocialMessage was always triggering `TikTokShareEvent` events such as `TikTokLikeEvent`, `TikTokFollowEvent`, `TikTokShareEvent`, `TikTokJoinEvent` was ignored
- Fixed bug: Websocket was disconnecting when there was no incoming events for the while. Fixed by implementing background loop that pinging TikTok server every few ms.
- Fixed bug: Disconnect method was not working