User with `repository_owner` permission can not create publications in a repository

[balasankarc]

Describe the bug

A user who has an rpm.rpmrepository_owner permission in an RPM repository or deb.aptrepository_owner permission in an APT repository is unable to create a publication in the repository.

To Reproduce

1. Create an rpm repository
2. Create a user
3. Assign the role rpm.rpmrepository_owner to the user on that repository
4. Try creating a publication in that repository as this user and see that it fails with the output Operation publications_rpm_rpm_create is not authorized
5. Repeat the same with an apt repository and deb.aptrepository_owner permission and see the error Error: Operation publications_deb_apt_create is not authorized.

Expected behavior

As an "owner" of the repository, the user should be able to create publications in that repository.

[balasankarc]

@ggainey BTW, this issue exists in other plugins also, like deb. But we can have the discussion here and open followup issues in those plugins after that

[ggainey]

It does, but permissions are owned by the plugin-views - we can't fix them at pulpcore, alas. "discussion here and open followup issues in plugins" is exactly what we'll do, aye :)