isVideoMute method Null safety

Future<bool> isVideoMute(
  1. HMSPeer? peer
)

checks the video is mute or unmute just pass peer

Implementation

Future<bool> isVideoMute(HMSPeer? peer) async {
  bool isMute = await PlatformService.invokeMethod(PlatformMethod.isVideoMute,
      arguments: {"peer_id": peer?.peerId ?? ""});
  return isMute;
}