Bug 195336 [2.1.3]Insert the list group above and the display name has no changed[0004]
Description: Insert the list group above and the display name has no changed[0004] Step: 1.New a list 2.Insert a group on above 3.Insert another group on above again. Actual result: The display name of two group header and footer are the same as GH1 and GF1 Exception result: The display name of second group header and footer is GH2 and GF2
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/figures/ListBandControlFigure.java
case ListBandProxy.LIST_DETAIL_TYPE :
				return TOOLTIP_LIST_DETAIL;
			case ListBandProxy.LIST_FOOTER_TYPE :
				return TOOLTIP_LIST_FOOTER;
			case ListBandProxy.LIST_GROUP_HEADER_TYPE :
				return TOOLTIP_GROUP_HEADER;
			case ListBandProxy.LIST_GROUP_FOOTER_TYPE :
				return TOOLTIP_GROUP_FOOTER;
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.draw2d.Figure#getPreferredSize(int, int)
	 */
	public Dimension getPreferredSize( int wHint, int hHint )
	{
		
		Dimension dimension = new Dimension(0,CONTROL_SIZE.height);
		List list = getChildren( );
		for (int i=0; i<list.size(); i++)
		{
			Figure figure = (Figure)list.get( i );
			dimension.width = dimension.width + figure.getSize( ).width;
		}
		return dimension;
		
	}
	public static class ListBandControlVisible extends Figure implements