replication: support error messages from 389-ds 1.3.5 or later
    
    389-ds 1.3.5 changed the error message format for
    nsds5ReplicaLastUpdateStatus value. Now it produces
    "Error (%d) %s" instead of "%d %s".
    
    Change the check_repl_update() to handle both formats.
    
    Fixes: https://pagure.io/freeipa/issue/7442
    (cherry picked from commit ee437fcabd8c11907bc027f3815a6cdb7da65106)
    
    Reviewed-By: Christian Heimes <cheimes@redhat.com>