private void updateMap(ToolIconURL url) {
		if (!iconListModel.contains(url)) {

			IconMap.put(url.getLocation(), url);

			loadIcons();
		}
	}
Update the icon map and the list model for the icon name.
Ghidra/Framework/Project/src/main/java/ghidra/framework/plugintool/dialog/SaveToolConfigDialog.java