Ticket 49408 - Server allows to set any nsds5replicaid in the existing replica entry
    
    Description:  There was no value validation for replica ID.  Now there is.
    
    https://pagure.io/389-ds-base/issue/49408
    
    Reviewed by: tbordaz(Thanks!)
    
    (cherry picked from commit 296f0abb78b7ec82580d039d9c505506f6ce07be)