Fix markup

Resources/views/CRUD/action.html.twig

@@ -13,7 +13,7 @@ file that was distributed with this source code.
 
 {% block actions %}
     <li>{% include 'SonataAdminBundle:Button:create_button.html.twig' %}</li>
-    <li></li>{% include 'SonataAdminBundle:Button:list_button.html.twig' %}</li>
+    <li>{% include 'SonataAdminBundle:Button:list_button.html.twig' %}</li>
 {% endblock %}
 
 {% block tab_menu %}