ipatests: in test_trust.py fix prameters in invocation of tasks.configure_dns_for_trust
    
    It was changed in f487233df002bf73dd48d5c87a146b90542bd034
    for unknown reason. It did not influence test runs as
    configure_dns_for_trust was made no-op in previous commit
    1d9e1521c59a5b43c2322892ce5cbe8cceff2790. As now this commit is reverted,
    configure_dns_for_trust is restored, invocation parameters also need to
    be changed to initial values.
    
    Related to https://pagure.io/freeipa/issue/7889
    
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>