Steps to reproduce

1. define a system property start with 'jcr:' e.g.  jcr:title

   label: Test Page
   form:
     properties:
       jcr:title:
         $type: textField
         label: Title
         i18n: true
       title:
         $type: textField
         label: Title
         i18n: true
       
     layout:
       $type: tabbedLayout
       tabs:
         tabMain:
           label: Main tab
           fields:
             - name: jcr:title
             - name: title
   

1. create a page 
2. publish the page
3. modify jcr:title value and publish the page
4. jcr:title isn't updated for publish instance

.. Logs, screenshots, gifs...

Expected results

jcr:title should be updated. Justify non-trivial expectations with a link to a doc or a relevant discussion.

Actual results

jcr:title is not updated.

Workaround

Development notes