[Bug] pairmodel is not consistent

[cawrl]

✔️ Pre-check

• [ ✔️] Tested with the latest snapshot of BetterModel from Modrinth
• [ ✔️] Confirmed the issue occurs without other optional/experimental plugins or clients (see Disclaimer below)

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🐞 Problem Description

Detailed information about your problem.

Pairmodel does not work as expected. Sometimes it works for some players and sometimes it only works for one player. The expected functionality of the example in the image is for the model to be hidden for ALL players, but that does not happen. I am testing this with 2 accounts. Pairmodel does sometimes work after relogging both accounts, but does also not work sometimes. Both accounts are online on the server when I trigger the skill. Therefor my conclusion is that it is inconsistent and has some sort of underlying bug that you might want to take a look at.

Client: Regular client
OS: Windows
Server: Paper 1.21.11

🧪 Test Model / Code

Upload the model, resource pack, or test code that can reproduce the issue if possible.

playerfps_pair:
Skills:

• pairmodel{hidden=true} @world