Cloning Entities containing Layout Paragraphs breaks structure

guiu.rocafort.ferrer → made their first commit to this issue’s fork.

I updated the issue branch with the latest 2.0.x branch, and solved some merge conflicts.
I was not able to configure and run (yet) the Functional Javascript tests locally, so pushing to see if it passes the tests in the Gitlab pipelines.

I am planning on working on this in the following days.

FYI: New hooks hook_entity_duplicate() and hook_ENTITY_TYPE_duplicate() have been committed to Drupal core and will be available in Drupal 11.2 → . A universal approach that works for all the cloning modules might be possible using those hooks, when sites are running 11.2+.