Git commits in Moodle 3.9.0 by Ilya Tregubov

commit d83bf6e0ff5d7e141600335887f629964c4b8b71
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Tue, 24 Mar 2020 06:36:57 +0800
Tag:    v3.9.0-beta

MDL-68203 restore: Decode quiz links when restore into existing course