Git commits in Moodle 3.10.4 by Alex Rowe

commit 1611b30b1c78a5170a94161268250d8bc77640df
Author: Alex Rowe <arowe@studygroup.com>
Date:   Tue, 09 Feb 2021 09:25:46 +0800
Tag:    v3.10.4

MDL-70049 assign: count_submissions_need_grading call when can't grade