CA-129089: Disable global login via slave hosts

Signed-off-by: Zheng Li <dev@zheng.li>

Conflicts:
	ocaml/idl/datamodel.ml

Signed-off-by: Akshay <akshay.ramani@citrix.com>
Merge pull request #1863 from akshayramani/NEW

[HFX-1158] CA-129089: Disable global login via slave hosts