webui: facet policies for all facets
    
    Now also facets other than details facet can use facet policies.
    
    Facet policies purpose is to extend facets behavior without
    overriding base class. This shared behavior could be reused in
    several other facets which may have completely different
    base classes.
    
    Reviewed-By: David Kupka <dkupka@redhat.com>
    Reviewed-By: Thierry Bordaz <tbordaz@redhat.com>