This PR fixes the possible ambiguity of rendered inline permalinks across repos by adding it as a suffix to the title element if the permalink refers to a file not inside the current repository. Closes#2965

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/3042
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: Mai-Lapyst <mai-lapyst@noreply.codeberg.org>
Co-committed-by: Mai-Lapyst <mai-lapyst@noreply.codeberg.org>