f0c19f9 webui: handle "unknown" result of automember-default-group-show

Authored and Committed by pvoborni 8 years ago
    webui: handle "unknown" result of automember-default-group-show
    
    Interface for setting default group is hidden when user doesn't have
    necessary rights or if there is some error while loading the state.
    
    https://fedorahosted.org/freeipa/ticket/4356
    
    Reviewed-By: Nathaniel McCallum <npmccallum@redhat.com>