Git commits in Moodle 3.11.0 by Dmitrii Metelkin

commit 88a150467fd304ba5d05dfe661e74336a70956c1
Author: Dmitrii Metelkin <dmitriim@catalyst-au.net>
Date:   Mon, 15 Mar 2021 09:50:35 +0800
Tag:    v3.11.0-beta

MDL-66667 course: add course image cache

commit f38fc370081547699919035fe0132ae0063b67d0
Author: Dmitrii Metelkin <dmitriim@catalyst-au.net>
Date:   Thu, 11 Feb 2021 11:00:08 +0800
Tag:    v3.11.0-beta

MDL-70855 course: add extra callback for extending course module form

commit 835000c522b0f9b7268eaebc488dba7982a2c838
Author: Dmitrii Metelkin <dmitriim@catalyst-au.net>
Date:   Wed, 06 Jan 2021 10:12:43 +0800
Tag:    v3.11.0-beta

MDL-70567 task: fix broken result filter on logs page

commit 571df8fe10865089d552921b081ec666863154b6
Author: Dmitrii Metelkin <dmitriim@catalyst-au.net>
Date:   Mon, 30 Nov 2020 12:26:14 +0800
Tag:    v3.11.0-beta

MDL-70352 core: attach modal to a specific element