Bug 147604 Value in parameter list displays incorrectly with paramter group
Steps to reproduce: 1.Add a parameter group "pg" in report1, add a parameter"p" in the group 2.Add a label in report2, set a drill-through hyperlink, set target report is "report1", click parameter Expected result: Only one "p" lists in the value list Actual result: Two "p" appear
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HyperlinkBuilder.java
if ( parameterChooser.getItems( )[i].equals( paramBinding.getParamName( ) ) )
					{
						index = i;
						break;
					}
				}
				value = new Integer( index );
			}
			return value;
		}
		public void modify( Object element, String property, Object value )
		{
			if ( element instanceof Item )
			{
				element = ( (Item) element ).getData( );
			}
			ParamBinding paramBinding = ( (ParamBinding) element );
			if ( COLUMN_VALUE.equals( property ) )
			{
				paramBinding.setExpression( (String) value );
			}
			else if ( COLUMN_PARAMETER.equals( property ) )
			{
				int index = ( (Integer) value ).intValue( );
				if ( index != -1 )
				{
					if ( paramBinding == dummyParameterBinding )
					{
						paramBinding = StructureFactory.createParamBinding( );
						bindingList.add( paramBinding );