app/views/promethee/components/aside/_edit.define.html.erb in promethee-1.4.7 vs app/views/promethee/components/aside/_edit.define.html.erb in promethee-1.4.8

@@ -3,10 +3,13 @@
     promethee.definitions.push({
       name: 'Aside',
       icon: #{render('promethee/components/aside/icon').to_json.html_safe},
       data: {
         type: 'aside',
-        attributes: {},
+        attributes: {
+          visible_content: '',
+          collapsed_content: ''
+        },
         children: []
       }
     })
   JAVASCRIPT
 %>