Followup to https://codeberg.org/forgejo/forgejo/pulls/8987 * migrate strings, get rid of the `repo.` prefix * simplify template and test Followup to https://codeberg.org/forgejo/forgejo/pulls/8736#issuecomment-6801385 * restore lost translations Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/9041 Reviewed-by: Beowulf <beowulf@beocode.eu>