feat: download original asset (#25302)

Co-authored-by: bwees <brandonwees@gmail.com>

mobile/test/domain/repositories/sync_stream_repository_test.dart

@@ -44,6 +44,7 @@ SyncAssetV1 _createAsset({
     livePhotoVideoId: null,
     stackId: null,
     thumbhash: null,
+    editCount: 0,
   );
 }
 

mobile/test/fixtures/sync_stream.stub.dart

@@ -128,6 +128,7 @@ abstract final class SyncStreamStub {
         visibility: AssetVisibility.timeline,
         width: null,
         height: null,
+        editCount: 0,
       ),
       ack: ack,
     );