Submenu clicks close menu dropdown

Let clicks on leaf menu items propagate
so Bootstrap closes the main dropdown.

Author: fredsa

index.html

@@ -564,7 +564,9 @@ <h3 class="modal-title">Push Project Changes to GitHub</h3>
 <script>
 // submenus open on click + hover
 $( ".dropdown-submenu" ).click(function(event) {
-    event.stopPropagation();
+    if (!$(event.target).hasClass('dropdown-item')) {
+      event.stopPropagation();
+    }
     $(this).parent().siblings().removeClass('open');
     $(this).parent().toggleClass('open');
 });