fix: incorrect `localesNotSaved` translation

[PatrikKozak]

Description

Duplicate localized field toast error message was using the incorrect translation.

Before: localesNotSaved

After: localesNotSaved_other

Fixes #5993

• [x] I have read and understand the CONTRIBUTING.md document in this repository.

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [x] Existing test suite passes locally with my changes