Currently admin_setting_configselect has lazy-loading support via a
callback function (so you don't have to make pointless single-use
classes for each unusual setting), but this is not present in other
similar types.

This commit adds identical support to
admin_setting_configmulticheckbox.

Paul Holden authored Mar 03, 2021 and jun committed Mar 03, 2021

Teachers can see user idnumber fields only when they are configured
identity fields. Students cannot.

Paul Holden authored Mar 01, 2021 and jun committed Mar 03, 2021

This commit also corrects parameter definition of the field to
match core_user.

When retrieving courses of another user via web services, we should
respect the capability to view that users profile in a given course.

Co-authored-by: Michael Hawkins <michaelh@moodle.com>