fix(mobile): Fix minor issues with downloading assets (#13609)

* improve download asset

* fix: download motion photos on ios

---------

Co-authored-by: dvbthien <dvbthien@gmail.com>
Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/lib/repositories/file_media.repository.dart

@@ -25,6 +25,20 @@ class FileMediaRepository implements IFileMediaRepository {
     return AssetMediaRepository.toAsset(entity);
   }
 
+  @override
+  Future<Asset?> saveImageWithFile(
+    String filePath, {
+    String? title,
+    String? relativePath,
+  }) async {
+    final entity = await PhotoManager.editor.saveImageWithPath(
+      filePath,
+      title: title,
+      relativePath: relativePath,
+    );
+    return AssetMediaRepository.toAsset(entity);
+  }
+
   @override
   Future<Asset?> saveLivePhoto({
     required File image,