To create an item requiring Zandalar you need to use Faction ID 270.

Keira3 uses the ID ID of 1574 instead leading to no requirement.

So this means;

This means actual Zandalar items show up as "Wailing Caverns" faction which is incorrect.

https://www.wowhead.com/classic/item=20013/recipe-living-action-potion

Basically Keira is using the wrong values and shows everything backwards. Should be an easy fix.