Citizens trait issue

Summary

Fully setting up a Citizens NPC to be a MythicMob works until you restart the server. Restarting the server resets the trait and sets the NPC back to being invisible.

Steps to reproduce

Create a Citizens NPC with any mythicmobs mob and restart your server.

Current behavior

Basically, I set up the npc like this: /npc create name --type chicken --trait model Then it appears invisible, so I do: /meg trait modelId cheetah

Intended correct behavior

The NPC's trait/model should remain after a server restart.

Server log file

https://pastebin.com/fPrh7EHH

Proposed fixes

Save the NPC trait so it is applied after restarts.