Please excuse me if I have to ask again: But when I activate the “admin menu access”, the “activate visual builder” disappears in the admin bar. I’ve been experimenting with space for a long time now to narrow that down. In the end, I found out that this is actually due to this function. How can I change this without having to do without the “admin menu access”?

When the admin menu access is disabled:

If the admin menu access is activated: