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/DefaultReportItemVisitorImpl.java
* @see org.eclipse.birt.report.engine.ir.IReportItemVisitor#visitFreeFormItem(org.eclipse.birt.report.engine.ir.FreeFormItemDesign)
	 */
	public Object visitFreeFormItem( FreeFormItemDesign container, Object value )
	{
		return visitReportItem(container, value);
	}
	/* (non-Javadoc)
	 * @see org.eclipse.birt.report.engine.ir.IReportItemVisitor#visitListItem(org.eclipse.birt.report.engine.ir.ListItemDesign)
	 */
	public Object visitListItem( ListItemDesign list , Object value)
	{
		return visitReportItem(list, value);
	}
	/* (non-Javadoc)
	 * @see org.eclipse.birt.report.engine.ir.IReportItemVisitor#visitTextItem(org.eclipse.birt.report.engine.ir.TextItemDesign)
	 */
	public Object visitTextItem( TextItemDesign text , Object value)
	{
		return visitReportItem(text, value);
	}
	/* (non-Javadoc)
	 * @see org.eclipse.birt.report.engine.ir.IReportItemVisitor#visitLabelItem(org.eclipse.birt.report.engine.ir.LabelItemDesign)
	 */
	public Object visitLabelItem( LabelItemDesign label , Object value)
	{
		return visitReportItem(label, value);
	}
	/* (non-Javadoc)
	 * @see org.eclipse.birt.report.engine.ir.IReportItemVisitor#visitDataItem(org.eclipse.birt.report.engine.ir.DataItemDesign)
	 */