Fall back to returning untranslated timezone id if translation for the requested language does not exist

Resolves: rhbz#1032848 - All timezone city names appear blank when installing in Asturian (20 Final TC2 desktop live)
See: https://bugzilla.redhat.com/show_bug.cgi?id=1032848
Add fy translations from CLDR
Release 0.0.24