FEATURE: delete multiple inactive themes/components (#23788)

Ability to select multiple inactive themes or components and delete them all together

spec/system/page_objects/modals/delete_themes_confirm.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module PageObjects
+  module Modals
+    class DeleteThemesConfirm < PageObjects::Pages::Base
+      def has_theme?(name)
+        has_css?(".modal li", text: name)
+      end
+
+      def confirm
+        find(".modal-footer .btn-primary").click
+      end
+    end
+  end
+end