Bug 130274 [RCP]The status of library keep unsaved when click the save button
Description: The status of library keep unsaved when click the save button Steps to reproduce: 1. new a library 2. new a text and input something in it 3. save the library. Actual resutl: The status of library keep unsaved. When you close and reopen it, the modification has been saved. Expect result: The status of library should be presented as saved when click the save button
UI/org.eclipse.birt.report.designer.ui.lib/src/org/eclipse/birt/report/designer/ui/editors/LibraryLayoutEditorFormPage.java
IReportEditorPage
{
	private static final String ID = "BIRT.LibraryLayoutFormPage"; 
	private int index;
	private FormEditor editor;
	private Control control;
	private int staleType;
	private ActivityStackListener commandStackListener = new ActivityStackListener( ) {
		public void stackChanged( ActivityStackEvent event )
		{
			updateStackActions( );
			getEditor( ).editorDirtyStateChanged( );
			staleType = IPageStaleType.MODEL_CHANGED;
		}
	};
	protected void configureGraphicalViewer( )
	{
		super.configureGraphicalViewer( );
		WrapperCommandStack stack = (WrapperCommandStack) getCommandStack( );
		if ( stack != null )
		{
			stack.addCommandStackListener( getCommandStackListener( ) );
		}
	}
	/**
	 * returns command stack listener.
	 */
	public ActivityStackListener getCommandStackListener( )
	{