Fixes #38251 - Make content view field ng-required on AK create

engines/bastion_katello/app/assets/javascripts/bastion_katello/activation-keys/new/views/activation-key-new.html

@@ -56,6 +56,7 @@ <h2 translate>New Activation Key</h2>
           <select ng-hide="contentViews.length === 0 || activationKey.environment === undefined "
                   id="content_view_id"
                   name="content_view_id"
+                  ng-required="activationKey.environment"
                   ng-model="activationKey.content_view_id"
                   ng-options="contentView.id as contentView.name for contentView in contentViews"
                   autofocus>