Lazy Loading hCaptcha script

When using the "invisible widget" patch, this additional patch can be used
https://www.drupal.org/files/issues/2023-09-11/hcaptcha-lazy-load-script... →

Great work! this is a very nice improvement to have.

I'm attaching an updated patch, using a Drupal behavior to support forms loaded via AJAX and restricting the observer to only target forms using hcaptcha.

The second patch applies on top of ✨ Add basic support for 'invisible' widget size Needs review - 10 (invisible widget support).

#5 fails on Firefox, as it relies on :has() pseudo-class.

This new patch is refactored to also work on Firefox. Please note, Firefox may support :has() soon.