Bug 129144 Support suppressDuplicates property on table row in report engine
See 129143 for detail. This only needs to be supported for data item in a detail row of a table.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/ReportItemDesign.java
/**
	 * book-mark associated with this element.
	 */
	protected Expression bookmark;
	/**
	 * TOC expression
	 */
	protected Expression toc;
	
	/**
	 * scripted called while on created
	 */
	protected Expression onCreate;
	
	/**
	 * script called while on render
	 */
	protected String onRender;
	
	/**
	 * parameter bindings associated with this item
	 */
	protected ArrayList paramBindings = new ArrayList();
	
	/**
	 * Visibility property.
	 */
	protected VisibilityDesign visibility;
	
	/**