Address minor review comments

Minor fixes to the projects helper and
qa specs.

app/helpers/projects_helper.rb

@@ -669,7 +669,7 @@ module ProjectsHelper
       message = _("You're about to reduce the visibility of the project %{strong_start}%{project_name}%{strong_end} in %{strong_start}%{group_name}%{strong_end}.")
     end
 
-    message.html_safe % { strong_start: strong_start, strong_end: strong_end, project_name: project.name, group_name: project.group ? project.group.name : nil }
+    html_escape(message) % { strong_start: strong_start, strong_end: strong_end, project_name: project.name, group_name: project.group ? project.group.name : nil }
   end
 
   def visibility_confirm_modal_data(project, remove_form_id = nil)

qa/qa/page/project/settings/visibility_features_permissions.rb

@@ -5,6 +5,10 @@ module QA
     module Project
       module Settings
         class VisibilityFeaturesPermissions < Page::Base
+          view 'app/helpers/projects_helper.rb' do
+            element :visibility_features_permissions_save_button
+          end
+
           view 'app/assets/javascripts/pages/projects/shared/permissions/components/settings_panel.vue' do
             element :project_visibility_dropdown
           end