@Override
		public void themeChanged(ThemeEvent event) {
			if (event.isLookAndFeelChanged()) {
				reload();
			}
		}
The hardcoded value to use for all HelpSet 'home id' values.  Subclasses may change this 
value by overriding {@link #getHomeId()}.
Ghidra/Features/Base/src/main/java/ghidra/base/help/GhidraHelpService.java