Add manual enrollment role choices to CMS

Required these be added to CMS since enterprise is installed in the CMS
and there are import failures when these keys don't exist

cms/envs/common.py

@@ -1845,6 +1845,12 @@ ENTERPRISE_API_CACHE_TIMEOUT = 3600  # Value is in seconds
 ENTERPRISE_CUSTOMER_CATALOG_DEFAULT_CONTENT_FILTER = {}
 
 BASE_COOKIE_DOMAIN = 'localhost'
+
+# This limits the type of roles that are submittable via the `student` app's manual enrollment
+# audit API. While this isn't used in CMS, it is used via Enterprise which is installed in
+# the CMS. Without this, we get errors.
+MANUAL_ENROLLMENT_ROLE_CHOICES = ['Learner', 'Support', 'Partner']
+
 ############## Settings for the Discovery App ######################
 
 COURSE_CATALOG_API_URL = 'http://localhost:8008/api/v1'

cms/envs/production.py

@@ -591,6 +591,11 @@ ENTERPRISE_CUSTOMER_CATALOG_DEFAULT_CONTENT_FILTER = ENV_TOKENS.get(
     ENTERPRISE_CUSTOMER_CATALOG_DEFAULT_CONTENT_FILTER
 )
 
+# This limits the type of roles that are submittable via the `student` app's manual enrollment
+# audit API. While this isn't used in CMS, it is used via Enterprise which is installed in
+# the CMS. Without this, we get errors.
+MANUAL_ENROLLMENT_ROLE_CHOICES = ENV_TOKENS.get('MANUAL_ENROLLMENT_ROLE_CHOICES', MANUAL_ENROLLMENT_ROLE_CHOICES)
+
 ############### Settings for Retirement #####################
 RETIRED_USERNAME_PREFIX = ENV_TOKENS.get('RETIRED_USERNAME_PREFIX', RETIRED_USERNAME_PREFIX)
 RETIRED_EMAIL_PREFIX = ENV_TOKENS.get('RETIRED_EMAIL_PREFIX', RETIRED_EMAIL_PREFIX)