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
staleType = type;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.editors.schematic.layout.AbstractReportGraphicalEditorWithRuler#dispose()
	 */
	public void dispose( )
	{
		if ( getCommandStack( ) != null )
		{
			WrapperCommandStack stack = (WrapperCommandStack) getCommandStack( );
			stack.removeCommandStackListener( getCommandStackListener( ) );
		}
		super.dispose( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.editors.IReportEditorPage#getStaleType()
	 */
	public int getStaleType( )
	{
		return staleType;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.part.EditorPart#setInput(org.eclipse.ui.IEditorInput)
	 */