Git commits in Moodle 3.11.x by Simeon Naydenov

commit 4edbc6c86186f2e166bb4a9a857687080ed3bac5
Author: Simeon Naydenov <moniNaydenov@gmail.com>
Date:   Tue, 20 Apr 2021 03:37:41 +0800
Tag:    v3.11.3

MDL-71375 lib: Fix tooltip in show_hide_icon in flexible table