Description of problem:

The task 'Actions::Katello::OrphanCleanup::RemoveOrphans' is going to the paused state instead of finishing successfully.

Version-Release number of selected component (if applicable):
Satellite 6.12

How reproducible:
100%

Steps to Reproduce:
1. Enable and sync repositories on the Satellite server.
2. Sync Library env with Capsule server.
2. Remove some of the synced repositories.
3. Run orphan cleanup command foreman-rake katello:delete_orphaned_content RAILS_ENV=production

Actual results:
The task goes to the paused state with error message:

Katello::Errors::Pulp3Error

("Cannot delete some instances of model 'Repository' because they are referenced through protected foreign keys: 'Addon.repository', 'RpmRepository.repository_ptr'.", {})

Expected results:
The task should complete successfully without any issues.