Details about pull request reviewers that are groups are not returned from the API

[dmach]

Description

1. create a pull request
2. assign the pull request review to a group
3. query the API, for example: curl -H "Token: ..." -X GET https://demo.gitea.com/api/v1/repos/dmach-org/test/pulls/1
   this results in:

{
    ...
    requested_reviewers":[null],
    ...
}

It works fine when the review is assigned to a person.

Gitea Version

1.22.1

Can you reproduce the bug on the Gitea demo site?

Yes

Log Gist

No response

Screenshots

No response

Git Version

No response

Operating System

openSUSE

How are you running Gitea?

openSUSE package running in podman (a container for test purposes)

Database

SQLite