feat: add authn mfe in csrf trusted origins list (openedx#34397)

Author: syedsajjadkazmii

cms/envs/devstack.py

@@ -314,6 +314,7 @@ def should_show_debug_toolbar(request):  # lint-amnesty, pylint: disable=missing
     'http://localhost:3001',  # frontend-app-library-authoring
     'http://localhost:2001',  # frontend-app-course-authoring
     'http://localhost:1992',  # frontend-app-ora
+    'http://localhost:1999',  # frontend-app-authn
 ]
 
 #################### Event bus backend ########################

lms/envs/devstack.py

@@ -559,6 +559,7 @@ def should_show_debug_toolbar(request):  # lint-amnesty, pylint: disable=missing
     'http://localhost:1992',  # frontend-app-ora
     'http://localhost:2002',  # frontend-app-discussions
     'http://localhost:1991',  # frontend-app-admin-portal
+    'http://localhost:1999',  # frontend-app-authn
 ]