Merge pull request #1733 from lbarcziova/actor-check-fix

Skip actor pre_check if actor not present

This should make the behaviour the same as it was previously (before handler pre_checks refactoring

      packit-service/packit_service/worker/jobs.py

         Line 422
      in
      da94cc9

           if self.event.actor and not handler.check_if_actor_can_run_job_and_report(

): if the actor is None, the actor pre_check will be skipped (e.g. pushes to branch, releases).

RELEASE NOTES BEGIN
RELEASE NOTES END

Reviewed-by: Matej Focko <None>
Reviewed-by: None <None>
Reviewed-by: Laura Barcziová <None>
Reviewed-by: Maja Massarini <None>