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
{
		Button button = new Button( parent, SWT.PUSH );
		button.setLayoutData( new GridData( ) );
		button.setImage( IMAGE_OPEN_FILE );
		button.setToolTipText( TOOLTIP_BROWSE_FILE );
		button.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				FileDialog dialog = new FileDialog( UIUtil.getDefaultShell( ) );
				if ( needFilter )
				{
					dialog.setFilterExtensions( new String[]{
						fileExt
					} );
				}
				try
				{
					String filename = dialog.open( );
					if ( filename != null )
					{
						filename = new File( filename ).toURL( ).toString( );
						if ( needFilter )
						{
							filename = URIUtil.getRelativePath( getBasePath( ),
									filename );
						}
						filename = new Path( filename ).toString( );
						if ( needQuote )
						{
							filename = "\"" + filename + "\"";