by default, "Note Book" dockable window is enable only in the GEOM and SMESH modules now.
void GeometryGUI::windows( QMap<int, int>& mappa ) const
{
mappa.insert( SalomeApp_Application::WT_ObjectBrowser, Qt::LeftDockWidgetArea );
+ mappa.insert( SalomeApp_Application::WT_NoteBook, Qt::LeftDockWidgetArea );
mappa.insert( SalomeApp_Application::WT_PyConsole, Qt::BottomDockWidgetArea );
if ( myCreationInfoWdg )
mappa.insert( myCreationInfoWdg->getWinID(), Qt::LeftDockWidgetArea );