Ars Nouveau + Caged Mobs Crash

Niche, but, if a player spawns their own ars nouveau decoy (not another player’s), and captures it in a Mob Cage, the decoy holds its own cage, which contains itself holding the cage,…, causing an infinite recursion.

Crash and Log:

https://gist.github.com/sbowles22/343ce4eef27667e684625604901cecb6