fix navbar burger menu on mobile

Author: josxha

KratosSelfService/Views/Shared/_NavbarLayout.cshtml

@@ -49,6 +49,19 @@
             </div>
         </div>
     </div>
+    <script type="text/javascript">
+        document.addEventListener('DOMContentLoaded', () => {
+          const $navbarBurgers = Array.prototype.slice.call(document.querySelectorAll('.navbar-burger'), 0);
+          $navbarBurgers.forEach( el => {
+            el.addEventListener('click', () => {
+              const target = el.dataset.target;
+              const $target = document.getElementById(target);
+              el.classList.toggle('is-active');
+              $target.classList.toggle('is-active');
+            });
+          });
+        });
+    </script>
 </nav>
 
 <main>