fix page_content.html class

src/server/views/widget/page_content.html

@@ -54,7 +54,7 @@
   <div id="page-editor-navbar-bottom-container" class="d-none d-edit-block"></div>
 </div>
 
-<div class="d-none d-lg-block side-contents-container ml-4">
+<div class="d-none d-lg-block d-editor-none grw-side-contents-container ml-4">
   <div id="page-accessories" class="page-accessories"></div>
   <div id="revision-toc" class="revision-toc sps sps--abv" data-sps-offset="123">
     <div id="revision-toc-content" class="revision-toc-content"></div>