fix: time zone upserts (#25889)

server/test/small.factory.ts

@@ -361,6 +361,7 @@ const assetSidecarWriteFactory = () => {
       latitude: 12,
       longitude: 12,
       dateTimeOriginal: '2023-11-22T04:56:12.196Z',
+      timeZone: 'UTC-6',
     } as unknown as Exif,
   };
 };