Bug 320171 [Model] Use real Java-References in the Binding-Model-Elements
Currently they BindingTable is referencing a BindingContext using an ID. To me it looks like BindingTable is a child of BindingContext and then doesn't need the ID-Reference any more
bundles/org.eclipse.e4.ui.model.workbench.edit/src/org/eclipse/e4/ui/model/application/provider/ApplicationItemProvider.java
implements IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public ApplicationItemProvider(AdapterFactory adapterFactory) {
		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);
			addContextPropertyDescriptor(object);
			addVariablesPropertyDescriptor(object);
			addBindingContextsPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}
	/**
	 * This adds a property descriptor for the Context feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->