public void programClosed(Program program) {
		if (panel != null && panel.getProgram() == program) {
			panel.setProgram(null);
		}
	}
initializeLazily() should get called to try to get the CodeFormatService and create the panel
the first time we want to use the panel.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/hover/AbstractReferenceHover.java