@Override
	protected void paintComponent(Graphics g) {
		super.paintComponent(g);
		manager.paintMarkers(program, g, pixmap, addrMap);
	}
Panel to display markers. Normally placed to the left hand side of the scrolled
{@link FieldPanel}.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/marker/MarkerPanel.java