Use `!` instead of `#` for references in the sidebar of pull requests. This is useful when the repository uses a external issue tracker to avoid it being redirected to the external issue tracker.
Resolvesforgejo/forgejo#8713
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8890
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Reviewed-by: Beowulf <beowulf@beocode.eu>
Co-authored-by: jank1619 <jank1619@noreply.codeberg.org>
Co-committed-by: jank1619 <jank1619@noreply.codeberg.org>