@Override
		public AttributedVertex getVertex(MouseEvent event) {

			LayoutModel<AttributedVertex> layoutModel = vv.getVisualizationModel().getLayoutModel();
			Point2D p = vv.getTransformSupport().inverseTransform(vv, event.getPoint());
			AttributedVertex vertex =
				vv.getPickSupport().getVertex(layoutModel, p.getX(), p.getY());
			return vertex;
		}
Removes all externally added actions. This is called before re-using the graph window for a
new graph which may add its own set of actions for that particular graph.
Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/DefaultGraphDisplay.java