If you can believe it, I just found yet another instance name that uses this same map.
This time it's just called "The Duality's Vigilant Sanctum", and it's for the questline that includes the quest "Scale of Research".
(1633987214)[Mon Oct 11 16:20:14 2021] You have entered The Duality's Vigilant Sanctum.
(1633987214)[Mon Oct 11 16:20:14 2021] This instance will expire in 7 days.
(1633987227)[Mon Oct 11 16:20:27 2021] Map style name: exp06_dun_thehole_kabor_tradeskill_