[Bug]: "Basa Ugi" language as default

[ivanbranco]

Summary

If from the main tab I try to upload a file, the language default for the label is (it-Italian) (my system language).
If I select a green/red pin from the map, and then I upload a file, the language default is (bug-Basa Ugi) {bug, how ironic}.

E.g. https://commons.wikimedia.org/wiki/File:Chiesa_della_Beata_Vergine_Assunta_(49986).jpg

Steps to reproduce

1. Open the app
2. Select a pin
3. Click the "+" symbol
4. Choose 2nd or 3rd icon to upload a file
5. Choose a file and click "Upload"
6. Language is "bug" (Basa Ugi)

Expected behaviour

Language should be the user system language

Actual behaviour

Language default is "bug"

Device name

Google Pixel 6

Android version

15

Commons app version

5.3.0

Device logs

No response

Screen-shots

No response

Would you like to work on the issue?

None

[nicolas-raoul]

Yes, we consider this high-priority. Anyone willing to work on it?
Let's continue the discussion at #6191
Thanks!