fix(mobile): exifInfo not updated on sync (#17407)

* fix(mobile): exifInfo not updated on sync

* add tests

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/services/asset.service.dart

@@ -256,7 +256,7 @@ class AssetService {
 
       for (var element in assets) {
         element.fileCreatedAt = DateTime.parse(updatedDt);
-        element.exifInfo ??= element.exifInfo
+        element.exifInfo = element.exifInfo
             ?.copyWith(dateTimeOriginal: DateTime.parse(updatedDt));
       }
 
@@ -283,7 +283,7 @@ class AssetService {
       );
 
       for (var element in assets) {
-        element.exifInfo ??= element.exifInfo?.copyWith(
+        element.exifInfo = element.exifInfo?.copyWith(
           latitude: location.latitude,
           longitude: location.longitude,
         );

mobile/lib/services/sync.service.dart

@@ -798,7 +798,7 @@ class SyncService {
       await _assetRepository.transaction(() async {
         await _assetRepository.updateAll(assets);
         for (final Asset added in assets) {
-          added.exifInfo ??= added.exifInfo?.copyWith(assetId: added.id);
+          added.exifInfo = added.exifInfo?.copyWith(assetId: added.id);
         }
         await _exifInfoRepository.updateAll(exifInfos);
       });