Bug 284357 Code in ReflectionContributionFactory duplicates #invoke() - with a twist
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/internal/workbench/swt/E4Application.java
appContext.set(IServiceConstants.ACTIVE_SHELL,
				new ActiveChildLookupFunction(IServiceConstants.ACTIVE_SHELL,
						E4Workbench.LOCAL_ACTIVE_SHELL));
		
		appContext.set(IStylingEngine.SERVICE_NAME, new IStylingEngine() {