Add a delete button

I did add 'remove' button. Will add patch after testing and code review on our project. Currently it was tested on D10 only.

@t1mm1

Can you please add the patch or describe how you did it?

samaphp → changed the visibility of the branch 3185539-add-a-delete to hidden.

samaphp → changed the visibility of the branch 3185539-add-a-delete to active.

stijn.blomme → made their first commit to this issue’s fork.

I have altered the code from the above core issue and added it to the multivalue form element.

Please test

stijn.blomme → changed the visibility of the branch 3185539-add-a-delete to hidden.

stijn.blomme → changed the visibility of the branch 3185539-add-a-delete to active.

Need to replace
unset($delta_values['_weight']);
with
unset($delta_values['_weight'], $delta_values['_actions']);
To make the search for empty fields work properly.