Description

I am testing light box with WP 6.4-beta1 without Gutenberg plugin. Gallery image expand doesn't work when I click on a gallery image on the front end. Here is screen recording: (https://share.vidyard.com/watch/Kcw4vq5ufPMLMLCA5cRkpS?)

Step-by-step reproduction instructions

Create a gallery page
than click on image and enable expand and look on front end the lightbox doesn't work. Please see the above screen recording.

Screenshots, screen recording, code snippet

No response

Environment info

No response

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

Yes