@Override
		public void dragExit(DropTargetEvent e) {
			super.dragExit(e);
			if (draggingOverValidDropTarget) {
				clearBorder();
				draggingOverValidDropTarget = false;
			}
		}
Fix the button state after dragging/dropping, since this is broken in Java
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/ToolButton.java