Bug 134479 Edit in XML Source cannot be reflected in Layout.
Description: Edit in XML Source cannot be reflected in Layout. Steps to reproduce: 1. New a report parameter with default value "value1" and save 2. Click XML Source, delete <property name="defaultValue">value1</property> and save. 3. Back to Layout, open parameter edit dialog Expected result: Default value is empty. Actual result: Default vlaue was still "value1", tried to change it to other values but Layout didn't detected the change.
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/ui/editors/pages/ReportMasterPageEditorFormPage.java
/**
	 * returns command stack listener.
	 */
	public ActivityStackListener getCommandStackListener( )
	{
		return commandStackListener;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.editors.IReportEditorPage#onBroughtToTop(org.eclipse.birt.report.designer.ui.editors.IReportEditorPage)
	 */
	public boolean onBroughtToTop( IReportEditorPage prePage )
	{
		if ( getEditorInput( ) != prePage.getEditorInput( ) )
		{
			setInput( prePage.getEditorInput( ) );
		}
		ModuleHandle model = getProvider( ).getReportModuleHandle(
				getEditorInput( ) );
		if ( model != null && getModel( ) != model )
		{
			Object oldModel = getModel( );
			getProvider( ).connect( model );
			rebuildReportDesign( oldModel );
			if ( getModel( ) != null )
			{
				setViewContentsAsMasterPage( );
				markPageStale( IPageStaleType.NONE );
			}