[Bug]: Parrots disappearing when mounted and teleporting between worlds

[AntiS0ul]

/mv version -p output

https://gist.github.com/AntiS0ul/0da1db328e4f5cd145fbfc5dfb922fcb

Server logs

https://gist.github.com/AntiS0ul/85fcab3f56a1ba571168f016fdee1401

Server Version

Current: git-Purpur-2176 (MC: 1.20.4)*
* You are running the latest version

Bug Description

Original bug was that parrots could not be named after switching worlds, reported it in Discord and was instructed to open a bug report. When attempting to recreate it on a blank server, this issue came up. The parrot becomes invisible after teleporting to a different world and it tries to dismount.

Steps to reproduce

https://youtu.be/AEBb7S1yKaM

Agreements

• [X] I have searched for and ensured there isn't already an open or resolved issue(s) regarding this.
• [X] I was able to reproduce my issue on a freshly setup and up-to-date server with the latest version of Multiverse plugins with no other plugins and with no kinds of other server or client mods.

[benwoo1110]

you may want to retry with the latest papermc, it seems to only disappear after you go to creative mode, which doesnt seem like any relation to multiverse.

[zax71]

Just tested this on MV5 and Paper 1.21.4v97 and the issue is reproducible

[benwoo1110]

I can't see how this is a multiverse bug - if the bug still exist, please report to the server software