how to reproduce

• go to the demo :https://demo.ametys.org/nightly-intranet-cms/intranet/index.html
• Create a somewhat long form and end it with a drop-down list
  
• Having a standard life cycle
  
• Insert the form into a page
• Fill out the form in preview
• go to the page : https://demo.ametys.org/nightly-intranet-cms/preview/intranet/fr/ressources/mes-formulaires.html
• Modify the field in the drop-down list form

The drop-down list is not displayed