Git commits in Moodle 3.9.x by Sumit Negi

commit 2e21c780063e9e3eb35d79390d7e3fb826ac3802
Author: Sumit Negi <sumit@moodle.com>
Date:   Wed, 02 Sep 2020 17:48:30 +0800
Tag:    v3.9.3

MDL-68900 mod_forum: permission check for user who is viewing timed post