When a totem of holding has items removed, items taken from the totem previously held in slots from the Curios API-mod replace items already equipped in the respective slots, deleting those items.

E.g. if a backpack slot was added, the backpack taken from the totem of holding will replace and remove the backpack you held previously.

Server-logs:
https://mclo.gs/KJU8lsP

Versions of the suspected mods interacting:
Curios API 5.7.0 + 1.20.1
Quark 4.0-436
Quark Oddities 1.20.1

@LeoBeliik your code bork