Menu UI sections links

Closes #3419151

src/Plugin/AccessControlHierarchy/Taxonomy.php

@@ -34,6 +34,8 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  */
 class Taxonomy extends AccessControlHierarchyBase {
 
+  public const PLUGIN_ID = 'taxonomy';
+
   use StringTranslationTrait;
 
   /**