Configuration trigger for locales

[ShalokShalom]

Currently, there seems no trigger to set the default locale.
I also suggest one additional config option, which adjusts the interface language according to the browser language.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs during the next 2 weeks. Thank you for your contributions.

[wxiaoguang]

It has been fixed. The first one will be used in the app.ini

[wxiaoguang]

Introduced by Remove legacy unmaintained packages, refactor to support change default locale #19308

• Remove legacy unmaintained packages, refactor to support change default locale #19308