Bug 143126 [Regression]Insert chart into table group header, preview, incorrectly.
Insert chart into table group header, preview, incorrectly. Steps: 1.Insert a table 2.Create a group for the table 3.Insert chart into group header, inherit table's data set 4.preivew Actual Results: 1.Chart datas are incorrectly Expected Results: 1.Chart can be previewed correctly.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/ElementBuilderFactory.java
{
	static private ElementBuilderFactory instance;
	private ElementBuilderFactory( )
	{
	}
	/**
	 * @return instance of factory.
	 */
	static public ElementBuilderFactory getInstance( )
	{
		if ( instance == null )
		{
			instance = new ElementBuilderFactory( );
		}
		return instance;
	}
	/**
	 * Creates builder for given element
	 * 
	 * @param handle
	 * @return
	 */
	public Object createBuilder( DesignElementHandle handle )
	{