Spellsteal trueshot aura

[Avalei]

What is the bug?
Mage can spellsteal trueshot aura from hunter if the hunter has any other buffs besides trueshot aura

What kind of bug is it? (Quest, Class, Spell, PvE)
Spell

How can you reproduce it?
Buff hunter with for example arcane intellect and then attempt to spellsteal the hunter with mage

Please describe, in detail, what is suppose to occur when this bug happens:
You're not supposed to spellsteal trueshot aura

Please describe, in detail, what happens when it bugs up, and how it's malfunctioning:
You do spellsteal trueshot aura

Evidence providing proof of bug:
Screen

[Itslovelol]

Fixed.

(Don't know when live.)