Image gallery not working on old page composer

[sdusolle]

Environment and versions used

Jahia 8.2.3.0-SNAPSHOT

• luxe-jahia-demo-0.8.0.SNAPSHOT Last Modification | Thu Jul 24 12:42:27 UTC 2025
• luxe-prepackaged-website-0.8.0.SNAPSHOT
• javascript-modules-engine-0.8.0-20250715.150640-60

Steps to reproduce

• Go to old page composer on http://localhost:3030/jahia/jcontent/luxe/en/pages/contents/agencies/agence-immobiliere-2
• click on a real estate with several images
  ---> error in the console
  ---> we don't display the gallery - we see only 1 photo

Current Behavior

Image gallery is not displayed on old page composer

Desired Behavior

Fix error + image gallery

[hduchesne]

Hydration is not supported by Page Composer.
As a result, the navigation menu, map, and contact form are not functioning either.
Do we really want to invest time in this?