Exception - Call to undefined function cohort_get_all_cohorts()

[cmegahan]

4.0.5+ (Build: 20230105)
auth_enrolkey 2022011200

Setup an enrolment key on a self-enrollment instance within any course
Authentication -> Enrolment key based self-registration -> Manage enrolkey cohort rules
Click "Edit Assignment" to be taken to edit_cohort.php?id=x.

You will get the error:

Exception - Call to undefined function cohort_get_all_cohorts()

Stack trace:
line 42 of /auth/enrolkey/edit_cohort.php: Error thrown

[cmegahan]

Included on #104