Git commits in Moodle 3.9.7 by Mark Nelson

commit 4dc6c7a79d1c647b328f454bae4f023ca6e2d9fa
Author: Mark Nelson <mdjnelson@gmail.com>
Date:   Mon, 22 Mar 2021 22:55:20 +0800
Tag:    v3.9.7

MDL-71171 customfield_text: ensure we set defaults properly


commit c197d3f14bebb4f7a3d4b897d8eaeed129d625d0
Author: Mark Nelson <mdjnelson@gmail.com>
Date:   Mon, 22 Mar 2021 21:55:49 +0800
Tag:    v3.9.7

MDL-71170 customfield_text: use correct error string