public default void dragFinished(boolean cancelled) {
		// stub
	}
Called when the drag and drop operation completes.  

<p>Clients can use this callback to reset visual state.
@param cancelled true if the drag operation was cancelled

@see docking.dnd.DragSrcAdapter#dragDropEnd(DragSourceDropEvent)
Ghidra/Framework/Docking/src/main/java/docking/dnd/Draggable.java