React onDrop not firing, while other drag events do

I don’t get the drop event to work, and every suggestion I got from googling is to use preventDefault / preventPropagation, but that is not doing it.

How to properly handle dynamic styling based on DragOver when swapping items in a list?

Here is my scenario:

(React) How to properly handle dynamic styling based on DragOver when swapping items in a list?

Here is my scenario: