Accepting an orphan request remove co-maintainer instead of promoting them

Checklist

NOTE: This bug template is meant to provide bug issues for code existing in the aurweb repository.

This bug template is not meant to handle bugs with user-uploaded packages. To report issues you might have found in a user-uploaded package, contact the package's maintainer in comments.

• I confirm that this is an issue with aurweb's code and not a user-uploaded package.
• I have described the bug in complete detail in the Description section.
• I have specified steps in the Reproduction section.
• I have included any logs related to the bug in the Logs section.
• I have included the versions which are affected in the Version(s) section.

Description

Accepting an orphan request also remove co-maintainer instead of promoting them to maintainer.

Reproduction

Accept an orphan request of a package that have at least one co-maintainer, see both the maintainer and the co-maintainer being removed. Expected behavior would be that the first co-maintainer be promoted to maintainer.

Logs

NA

Version(s)

The bug is present on v6.2.4 but I know it was present on earlier versions as well. @artafinde said it's a regression bug as it used to work before, however I don't know which specific version introduced this regression unfortunately...

I remain available if needed 😉