Git commits in Moodle 3.7.7 by Jake Dallimore

commit 7ca59eba5790106183510e84b90088dce71c1536
Author: Jake Dallimore <jake@moodle.com>
Date:   Thu, 14 May 2020 16:10:59 +0800
Tag:    v3.7.7

MDL-68847 mod_url: fix bug when using dnd to handle urls