Merge branch 'ashmckenzie/fix-editing-group-without-existing-saved-settings' into 'master'

Namespace settings don't always exist for a group

See merge request gitlab-org/gitlab!50353

app/views/groups/settings/_two_factor_auth.html.haml

@@ -18,6 +18,6 @@
 - unless group.has_parent?
   .form-group
     .form-check
-      = f.check_box :allow_mfa_for_subgroups, class: 'form-check-input', checked: group.namespace_settings.allow_mfa_for_subgroups
+      = f.check_box :allow_mfa_for_subgroups, class: 'form-check-input', checked: group.namespace_settings&.allow_mfa_for_subgroups
       = f.label :allow_mfa_for_subgroups, class: 'form-check-label' do
         = _('Allow subgroups to set up their own two-factor authentication rules')

db/fixtures/development/03_project.rb

@@ -113,6 +113,7 @@ class Gitlab::Seeder::Projects
       group.save!
 
       group.add_owner(User.first)
+      group.create_namespace_settings
     end
 
     project_path.gsub!(".git", "")