Git commits in Moodle 3.8.4 by Ilya Tregubov

commit 37d7820816fa96edd4f5738064b3f3bb930bda99
Author: Ilya Tregubov <ilyatregubov@catalyst-au.net>
Date:   Tue, 24 Mar 2020 06:36:57 +0800
Tag:    v3.8.4

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