Consider using SortableJS spill plugin when dragging sections into layout

+1 for this improvement. We just need to make sure there's a clear affordance for indicating when the component add is going to be discarded.

Yes, please! This has been bothering me since the very start 😇

This seems related to 📌 Refine dragging behavior and design in Layers menu Active ?

This becomes obsolete once 📌 Investigate drag-and-drop solution that removes the need to drop items into the preview iFrame Active lands as it no longer uses SortableJs.