Before reporting an issue

• I have searched existing issues
• I have reproduced the issue with the latest nightly release

Area

admin/ui

Describe the bug

The text for the theme select placeholder text is not translated.

Version

nightly

Expected behavior

It's translated

Actual behavior

It's not

How to Reproduce?

Select a language other than English, go to the realm setting and then change the theme.

Anything else?

No response