A question for Early Access on Xbox

I have a question that when I purchased the Path of Exile 2 Early Access supporter pack and checked my account status, there were only keys for steam and epic. Then I checked my Microsoft account and I did not have the POE2 Early Access supporter pack.
Does this mean I need to buy it on the Microsoft store instead of the POE website? If not, how do I activate the supporter pack on my Xbox?

Same question here - I bought an early access pack on pathofexile.com only later realizing that there was a separate xbox store item, and that's not showing as purchased for me. I do have my Microsoft account linked on pathofexile.com. Concerned that I'm not actually going to get access on the xbox.