Amanamu's Gaze Body Armour modifier only scales with Spirit from Morrior instead of total Spirit

Reporting a bug regarding the unique jewel "Amanamu's Gaze"

when it is socketed into Body Armour.
The modifier which grants "+2 Armour per 1 Spirit" is currently not calculating the character's total Spirit correctly. Instead of using the global Spirit value

it only seems to account for the Spirit gained from the "10–14 Spirit per Filled Socket" modifier on the unique item "Morrior," resulting in an increase of only 20–28 Armour.

This behavior is inconsistent with the Boots modifier from the same jewel ("1% increased Movement Speed per 15 Spirit"), which correctly scales with the character's total Spirit from all sources