ENT-3007 : Add auth/saml/v0/providerconfig|data CRUD endpoints for use in admin portal (#24298)

* Add auth/samlproviderconfig CRUD endpoints for use in admin portal

Fixes: ENT-3007

* Move code to subfolder for samlproviderconfig

* extra comma

* undo accidental remove of import

* GET works for a single config now

* Use ModelViewSet to get all CRUD method. Test still fails

* Add auth/saml/v0/providerdata endpoints

* fixup reverse and test issue, remove leading caret

* just triggering run, why is it failing in CI?

* pycodelint fixes

* Skip auth tests unless feature is on

* Tests for post/put for samlproviderdata

* move urls to their own folders

* api tests for post samlprovierconfig

* create 1 providerconfig test case

* lint fixes

* lint

* lint

* cleanup code local urls /samlproviderconfig works

* note needed right now

* Fix import errors

* lint

* unused import

* wip: first attempt at rbac auth and jwt cookie in test

* round 2 with enterprise uuid as url param for samlproviderconfig

* improve tests, still dont pass

* fix test by using system role, wip other test

* fix create test

* add get/post tests for providerdata

* isort fixes

* string lint fix

* Cleanup based on feedback round1

* move utils to tests package

* Move util fn to openedx.feature area

* lint

* lint fix

* remove unused import

openedx/features/enterprise_support/utils.py

@@ -10,7 +10,7 @@ from django.conf import settings
 from django.urls import NoReverseMatch, reverse
 from django.utils.translation import ugettext as _
 from edx_django_utils.cache import TieredCache, get_cache_key
-from enterprise.models import EnterpriseCustomerUser
+from enterprise.models import EnterpriseCustomerUser, EnterpriseCustomer
 from social_django.models import UserSocialAuth
 
 import third_party_auth
@@ -342,3 +342,7 @@ def get_provider_login_url(request, provider_id, redirect_url=None):
         redirect_url=redirect_url if redirect_url else get_next_url_for_login_page(request)
     )
     return provider_login_url
+
+
+def fetch_enterprise_customer_by_id(enterprise_uuid):
+    return EnterpriseCustomer.objects.get(uuid=enterprise_uuid)