[1.8.x] Fixed #25229 -- Clarified how an iterable works with @permission_required
[1.8.x] Fixed #25229 -- Clarified how an iterable works with @permission_required

Backport of 16a8d01308f8ca4a7b4673424059424ba3fe36c8 from master

h4r5h1t/django-hauthy,h4r5h1t/django-hauthy,h4r5h1t/django-hauthy,h4r5h1t/django-hauthy