Bug 316298 [Compatibility] Support o.e.ui.menus visibleWhen
We need support in MCoreExpression for entire expressions created by the WorkbenchMenuService. They don't often use ReferenceExpressions to core expression definitions. PW
bundles/org.eclipse.e4.ui.model.workbench.edit/src/org/eclipse/e4/ui/model/application/ui/provider/CoreExpressionItemProvider.java
super(adapterFactory);
	}
	/**
	 * This returns the property descriptors for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);
			addCoreExpressionIdPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}
	/**
	 * This adds a property descriptor for the Core Expression Id feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addCoreExpressionIdPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_CoreExpression_coreExpressionId_feature"), 
				 getString("_UI_PropertyDescriptor_description", "_UI_CoreExpression_coreExpressionId_feature", "_UI_CoreExpression_type"), 
				 UiPackageImpl.Literals.CORE_EXPRESSION__CORE_EXPRESSION_ID,