scan method
Implementation
@override
Future<List<File>> scan() async {
final result = await methodChannel.invokeMethod<List<Object?>>(AppleVisionDocumentScannerMethods.scan.name) ?? [];
final imagePaths = result.map((e) => e.toString()).toList();
final imageFiles = imagePaths.map((path) => File(path)).toList();
return imageFiles;
}