Adding data to slot and then remove it, empties all previous configuration

i take it

For the record, the bug was introduced in 🐛 [2.0.0-beta2] Component remove button should bypass form validation Fixed , because '#limit_validation_errors' in the form element,
is changing the way the element is validated and passed as values in the the form state. Thus, the action of removing a slot the #submit handler was not possible anymore.

Automatically closed - issue fixed for 2 weeks with no activity.