Fix a bug in player setting current track to None on TrackStuck and TrackException.

Since Lavalink sends two events on Exceptions, a End and Exception event this causes a possible race condition in the player, setting the current Track to None when one is actually playing.

Author: EvieePy

wavelink/player.py

@@ -236,7 +236,7 @@ async def _dispatch_voice_update(self) -> None:
             await self.node._send(op='voiceUpdate', guildId=str(self.guild_id), **self._voice_state)
 
     async def hook(self, event) -> None:
-        if isinstance(event, (TrackEnd, TrackException, TrackStuck)):
+        if isinstance(event, TrackEnd):
             self.current = None
 
     def _get_shard_socket(self, shard_id: int) -> Optional[DiscordWebSocket]: