public void add(GraphMousePlugin p) {
		if (mousePlugins.contains(p)) {
			mousePlugins.remove(p);
		}

		mousePlugins.add(p);
	}
Places the given plugin at the front of the list

@param p the mouse plugin to prepend
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/event/mouse/VisualGraphPluggableGraphMouse.java