Link to PR on project board broken

[LukeOwlclaw]

Description

On the project board (e.g. https://GITEA/MyCompany/-/projects/2) we can have issues which are linked to a pull request (PR), e.g.:

Problem the PR link:
Points to:
https://GITEA/pulls/502
where it should point to:
https://GITEA/MyCompany/MyProject/pulls/502

Gitea Version

1.20.0

Can you reproduce the bug on the Gitea demo site?

No, because I cannot create a company nor a project board there.

Log Gist

No response

Screenshots

No response

Git Version

No response

Operating System

No response

How are you running Gitea?

Windows installation

Database

None

[delvh]

Contained in #23318 already:

If you click on the PR that closed an issue inside an org-wide project, you get redirected to $URL/pull/$ID instead of $URL/$USER/$REPO/pull/$ID