Unfortunately, another thread dealing with the same topic is closed. Support was unable to reproduce the problem.
It lies in the .edit-post-meta-boxes-main class. There overflow is now set to hidden . If I deactivate this in the browser inspector or change it to ‘scroll’, I can work.
Perhaps the scrolling problem is not an enfold-issue but an WordPress issue. I did not find the CCS-file yet where that class is defined.
The other thread …
“Problem with scroll bar Advanced Layout Editor”