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.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.java
{
			return;
		}
		Object palette = activePageInstance.getAdapter( PalettePage.class );
		fPalettePage.setActivePage( (IPageBookViewPage) palette );
	}
	public void pageChange( String id )
	{
		IFormPage page = findPage( id );
		if ( page != null )
		{
			pageChange( page.getIndex( ) );
		}
	}
	protected void pageChange( int newPageIndex )
	{
		int oldPageIndex = getCurrentPage( );
		if ( oldPageIndex == newPageIndex )
		{
			return;
		}
		if ( oldPageIndex != -1 )
		{
			Object oldPage = pages.get( oldPageIndex );
			Object newPage = pages.get( newPageIndex );
			
			
			super.pageChange( newPageIndex );
			
			if ( !prePageChanges( oldPage, newPage ) )