Merge pull request #2871 in SW/shopware from sw-12192/5.0/fixed-advanced-menu-not-clickable-on-safari to release-5.0.3

* commit '4299d75c21e88a63b1828782db12f05bffd0efe5':
  SW-12192 -  Removed 3d acceleration from advanced menu listing due to bugs

Author: Marcel Schmäing

engine/Shopware/Plugins/Default/Frontend/AdvancedMenu/Views/frontend/_public/src/less/advanced-menu.less

@@ -22,13 +22,8 @@
     z-index: 3000;
 
     .menu--list {
-        .transform-style(preserve-3d);
         list-style: none;
         display: block;
-
-        .is--safari & {
-            .backface-visibility(hidden);
-        }
     }
 
     .content--wrapper {