requestUsbPermissionLinux method

@override Future<String> requestUsbPermissionLinux()

Request USB permission on Linux

Implementation

@override
Future<String> requestUsbPermissionLinux() async {
  try {
    final result = await methodChannel.invokeMethod(
      'requestUsbPermissionLinux',
    );
    return result ?? 'denied';
  } on PlatformException catch (e) {
    debugPrint('Error requesting Linux USB permission: ${e.message}');
    return 'denied';
  }
}