Git commits in Moodle 3.9.5 by David Matamoros

commit ba69ad868aebb4784b8daf6840199fc81b33a6e8
Author: David Matamoros <davidmc@moodle.com>
Date:   Fri, 19 Feb 2021 00:25:34 +0800
Tag:    v3.9.5

MDL-70910 contentbank: fix for using contentid not validated


commit 3afaa0d81c94871ffa7401664c89ef62412d733b
Author: David Matamoros <davidmc@moodle.com>
Date:   Thu, 18 Feb 2021 23:35:21 +0800
Tag:    v3.9.5

MDL-70941 contentbank: fix empty equality check when renaming content