tools: manage-domains: respect ConfigValues.SASL_QOP

in one of the ugliest piece of code I've ever seen.

the cli does not respect the configuration of the application.

Related-To: https://bugzilla.redhat.com/show_bug.cgi?id=1156577
Change-Id: I4fad86b7b2a1437607acf9562ac898ac455c10dd
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>