ISTWCMS-7242: move show/hide inside main and make only show for logged in...

ISTWCMS-7242: move show/hide inside main and make only show for logged in users with layout builder permission

src/patterns/03-layouts/content/content.twig

 {% set main_classes = 'uw-main' %}
-<!-- Button for show and hide of admin -->
-<button class="uw-show-hide"  id="revision-show-hide" title="Show/hide revision elements">±</button>
-<!-- end -->
 {% for class in classes %}
   {% set main_classes = main_classes ~ ' ' ~ class %}
 {% endfor %}
@@ -10,4 +7,11 @@
   {% block content %}
     Main content
   {% endblock %}
+
+  {% if logged_in and user.hasPermission('create and edit custom blocks') %}
+    <!-- Button for show and hide of admin -->
+    <button class="uw-show-hide"  id="revision-show-hide" title="Show/hide revision elements">±</button>
+    <!-- end -->
+  {% endif %}
+
 </main>