Describe the bug, provide any errors
A clear and concise description of what the bug is. Can you https://paste.gg/ the error?
When using viarewind, horses used for holograms on 1.7.10 will show even if the variant is invalid.

How can we reproduce it?
Steps to reproduce the behavior:
https://paste.gg/p/anonymous/cf79126478db4a49ab6e7b9c912a1bd2 Code to spawn holograms on 1.7.10
Join and find the hologram/horse

Expected behaviour
The horse should not be visible

Screenshots
Without viarewind: https://i.imgur.com/ZKmXe9s.png
With viarewind: https://i.imgur.com/eRrH2fI.png

ViaVersion Dump:
https://dump.viaversion.com/6b8dac9492c3937b62411cb8c69555b72802dbecdf100b632a5e5dd67c477639

Additional server info
Do you use a proxy (eg. BungeeCord)? What software do you use and what plugins?
I do not use a proxy. I use tacospigot fork, viaversion, ProtocolLib, custom KitPvP core and a custom permission + punishment core.

Checklist (mark with [X] to check)

• I have included a ViaVersion dump
• If applicable, I have included a paste (not a screenshot) of the error
• I have tried a build from https://ci.viaversion.com/ and the issue still persists
• I have looked at https://www.spigotmc.org/resources/viarewind-legacy-support.52924/ and it does not offer a fix for my problem

IMPORTANT: Follow the Checklist or we can't reproduce your issue and your issue will be close

This is unsupported. You just need to spawn an invisible armor stand and ViaRewind will replace it with a horse.