IPA: do not look up overrides on client with default view
    
    The IPA extdom plugin returns the data with the default view already
    applied hence it is on needed to look up the override data if the client
    has the default view assigned.
    
    Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
    (cherry picked from commit d8ceb194023a2cdc8bc183acc322e9a7fb6fe2b1)