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/ui/dialogs/ColumnBindingDialog.java
columns = new String[]{
				null,
				COLUMN_NAME,
				COLUMN_DATATYPE,
				COLUMN_EXPRESSION,
				COLUMN_AGGREGATEON
		};
		columnWidth = new int[]{
				canSelect ? 25 : 20, 150, 70, 150, 150,
		};
		groupList = DEUtil.getGroups( inputElement );
		groups = new String[groupList.size( ) + 1];
		groups[0] = NONE;
		for ( int i = 0; i < groupList.size( ); i++ )
		{
			groups[i + 1] = ( (GroupHandle) groupList.get( i ) ).getName( );
		}
		cellEditors = new CellEditor[]{
				null,
				new TextCellEditor( table ),
				new ComboBoxCellEditor( table, dataTypeDisplayNames ),
				expressionCellEditor,
				new ComboBoxCellEditor( table, groups, SWT.READ_ONLY ),
		};
		for ( int i = 0; i < columns.length; i++ )
		{
			TableColumn column = new TableColumn( table, SWT.LEFT );
			column.setResizable( columns[i] != null );
			if ( columns[i] != null )
			{