Issue #3190140 by nmorin, mherchel, bnjmnm, andrewmacpherson: Collapsible nav...

Issue #3190140 by nmorin, mherchel, bnjmnm, andrewmacpherson: Collapsible nav button text should be more descriptive

core/themes/olivero/templates/navigation/menu--primary-menu.html.twig

@@ -84,7 +84,7 @@
                 drop menu).
               #}
               <button class="primary-nav__button-toggle" aria-controls="{{ aria_id }}" aria-expanded="false" aria-hidden="true" tabindex="-1">
-                <span class="visually-hidden">{{ 'Toggle sub-navigation'|t }}</span>
+                <span class="visually-hidden">{{ '@title sub-navigation'|t({'@title': item.title}) }}</span>
                 <span class="icon--menu-toggle"></span>
               </button>