2d1358 Only show settings for blueprints having a settings endpoint

1 file Authored by Pierre-Yves Chibon 5 years ago , Committed by pingou 5 years ago ,
    Only show settings for blueprints having a settings endpoint
    
    Otherwise 3rd party extensions that do not provide this settings endpoint
    ends up breaking the settings page.
    
    Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>