The only job that implements .complete is the mirror job, and it can
handle completion requests just fine while the job is paused.

Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1945635


Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210409120422.144040-4-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>