Backport #27310 by @earl-warren
- Modify the deleted branch orphan check to check for the new table
instead.
- Regression from 6e19484f4d
- Resolves https://codeberg.org/forgejo/forgejo/issues/1522
(cherry picked from commit c1d888686fe445e4edecb9d835c5b3893b574b75)
Co-authored-by: Earl Warren <109468362+earl-warren@users.noreply.github.com>
Co-authored-by: Gusted <postmaster@gusted.xyz>