Issue 50041 - Add CLI functionality for special plugins
    
    Description: Add the functionality for
    account-policy, attr-uniq, automember, dna, linked-attr,
    managed-entries, memberof, pass-through-auth, refer-init,
    retro-changelog, root-dn, usn commands.
    Make DSLdapObject create an entry with only DN and attributes
    (cases when RDN is not specified).
    Fix two small typos in pwpolicy CLI's arguments.
    Port test for DNA plugin.
    
    https://pagure.io/389-ds-base/issue/50041
    
    Reviewed by: wibrown, mreynolds, mhonek (Thanks!)