Git commits in Moodle 3.10.4 by Peter Dias

commit e3b4f6d3fd8fd4ef55d2aec59c2b832e41c64568
Author: Peter Dias <peter@moodle.com>
Date:   Wed, 28 Apr 2021 10:04:07 +0800
Tag:    v3.10.4

MDL-71460 hub: Use checkboxes instead of dropdowns