fix: Correctly handle race condition if voice keepalive procs while reconnecting (#1449)

Author: silasary

interactions/api/voice/voice_gateway.py

@@ -268,7 +268,7 @@ def _udp_keep_alive(self) -> None:
         keep_alive = b"\xc9\x00\x00\x00\x00\x00\x00\x00\x00"
 
         self.logger.debug("Starting UDP Keep Alive")
-        while not self.socket._closed and not self.ws.closed:
+        while not self.socket._closed and self.ws and not self.ws.closed:
             try:
                 _, writable, _ = select.select([], [self.socket], [], 0)
                 while not writable: