Bug 309563 All packages (o.e.e4.ui.model.workbench.edit) of ItemProviders need to be exported
Before, there is only one ApplicationItemProviderAdapterFactory used by e4 Visual Designer. Now with the new model in multiple packages, we need to export all the corresponding ItemProvider.
bundles/org.eclipse.e4.ui.model.workbench.edit/src/org/eclipse/e4/ui/model/application/ui/basic/provider/PartItemProvider.java
}
	/**
	 * 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);
			addWidgetPropertyDescriptor(object);
			addRendererPropertyDescriptor(object);
			addToBeRenderedPropertyDescriptor(object);
			addOnTopPropertyDescriptor(object);
			addVisiblePropertyDescriptor(object);
			addContainerDataPropertyDescriptor(object);
			addLabelPropertyDescriptor(object);
			addIconURIPropertyDescriptor(object);
			addTooltipPropertyDescriptor(object);
			addDirtyPropertyDescriptor(object);
			addBindingContextsPropertyDescriptor(object);
			addCloseablePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}
	/**
	 * This adds a property descriptor for the Context feature.