Ticket 50078 - cannot add cenotaph in read only consumer
    
    Bug: For modrdn operations a cenotaph entry is created to be used in later conflict
         resolution procedures, this is done by an internal add operation and
         fails on hubs and consumers
    
    Fix: Add the "bypass referral" flag to the internal add operation to allow it
    
    Reviewed by: Thierry, thanks