Fixing replica install: fix ldap connection in domlvl 0
    
    Now, at the domain level 0, the replica install always uses
    Directory Manager credentials to create the LDAP connection.
    Since ACIs permitting hosts to manage their own services were
    added in 4.2 release,  the old master denies this operations.
    
    https://pagure.io/freeipa/issue/6549
    
    Reviewed-By: Martin Basti <mbasti@redhat.com>
    Reviewed-By: Jan Cholasta <jcholast@redhat.com>