Bug 138175 bookmark link set in drill through link should be saved in Hyperlink Options dialog.
Description: bookmark link set in drill through link should be saved in Hyperlink Options dialog. Steps to reproduce: 1. Define a drill through link with target bookmark selected. 2. Reopen Hyperlink Options dialog Result: The selected bookmark is gone but it is saved in xml source. Expected result: Target bookmark displayed in Hyperlink Options dialog.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HyperlinkBuilder.java
String label;
		if ( isRequired )
		{
			label = REQUIED_MARK + LABEL_BOOKMARK;
		}
		else
		{
			label = LABEL_BOOKMARK;
		}
		new Label( displayArea, SWT.NONE ).setText( label );
		bookmarkChooser = new Combo( displayArea, SWT.BORDER | SWT.READ_ONLY );
		GridData gd = new GridData( GridData.FILL_HORIZONTAL );
		gd.horizontalSpan = 2;
		bookmarkChooser.setLayoutData( gd );
		bookmarkChooser.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				bookmarkEditor.setText( bookmarkChooser.getText( ) );
				updateButtons( );
			}
		} );
		new Label( displayArea, SWT.NONE ).setText( LABEL_LINKED_EXPRESSION );
		bookmarkEditor = new Text( displayArea, SWT.BORDER | SWT.READ_ONLY );
		bookmarkEditor.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		createExpressionButton( displayArea, bookmarkEditor );
	}
	private void createFormatBar( )
	{
		new Label( displayArea, SWT.NONE ).setText( LABEL_FORMAT );
		formatChooser = new Combo( displayArea, SWT.READ_ONLY | SWT.BORDER );