[Bug] 1.21.4 Local Hosted World - Packet Ignore For EntityHeld #1002

Describe the bug
the packet for entityHeld is returning as null if it's another player on a local world, not sure as to why though

To Reproduce
Steps to reproduce the behavior:

1. open up a local world with 2 people in it
2. pick up the other player
   ...

Screenshots
please see the video hosted on catbox to show that entites like chests work, but players dont
https://files.catbox.moe/0uv82n.mkv

Game Information (please complete the following information):

• Minecraft Version: 1.21.4
• Mod Loader and Version: Fabric, 0.19.5
• Carry On Version: 2.3.0

Additional context, logs
Logs