Git commits in Moodle 3.11.x by François Moreau

commit e8c98e17e64173685aa8c5fd7efdd2000011f27a
Author: François Moreau <moreauf@sofad.qc.ca>
Date:   Thu, 24 Sep 2020 01:49:57 +0800
Tag:    v3.11.0-beta

MDL-69762 core_contentbank: let users hide their content