Lightroom iOS doesn't set "copyright status" when adding copyright during import

When Add copyright is enabled in Lightroom for iOS, photos imported do contain the entered copyright name, but the Copyright Status metadata field is left as "Unknown". It should be set to "Copyrighted".

Lightroom: 9.1.0 40ES71/123
iOS: 17.2.1

Lightroom Classic: 13.1 Build [202312111226-41a494e8]
macOS: 14.2.1 (23C71)

Repro Steps
In Lightroom on iOS…

1. Go to More/three-dot menu › App settings › Import
2. Enable Photos
3. In the METADATA section, enable Add copyright and enter a name
4. Switch to the Camera app and take a photo
5. Switch back to Lightroom and open Recents
6. Tap-and-hold the latest photo and choose Import › Import into Lightroom
7. In Lightroom Classic on macOS, wait for photo to sync…
8. Once available, select the photo
9. View Copyright section in the Library › Metadata panel
10. Note the name entered in step 3 is displayed, but…

Actual Results
Copyright Status shows as "Unknown".

Expected Results
Copyright Status shows as "Copyrighted".