Git commits in Moodle 3.10.x by Tien Nguyen

commit da619ac46f0d0f906c37a0ee658e13586248d79d
Author: Tien Nguyen <nguyenphuctien@gmail.com>
Date:   Mon, 19 Jul 2021 09:32:32 +0800
Tag:    v3.10.8

MDL-71961 Quiz: Disable quiz navigation buttons when files are uploading