getApplicationMuteState method
获取 Windows 系统音量合成器中当前进程的静音状态
注意:此接口只支持Windows平台
返回值: 静音状态
Implementation
Future<bool?> getApplicationMuteState() async {
  var result = await _channel.invokeMethod('getApplicationMuteState');
  return V2TXLiveFlutterResult.boolValue(result);
}