Fix BufferedMediaTrack.stop() (#194)

Author: dangusev

getstream/video/rtc/track_util.py

@@ -1777,7 +1777,7 @@ def stop(self):
             # Stop the underlying track if it has a stop method
             if hasattr(self._track, "stop"):
                 try:
-                    self._track.stop_audio()
+                    self._track.stop()
                 except Exception as e:
                     logger.error(f"Error stopping track: {e}")