@Override
	public void sessionChanged(VTSession session) {
		if (!isVisible()) {
			return;
		}

		markupItemsTableModel.setProgram(controller.getSourceProgram());
		reload();
	}
Determines whether or not the dual listing is currently being shown to the user.
@return true if the dual listing is showing
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/provider/markuptable/VTMarkupItemsTableProvider.java