Describe the bug

I have updated to 1.21 and all my of my chest has been "reseted" all stack inside has been set to 1 item

To Reproduce

1 Minecraft 1.20.4 world with Reinforced Chest

Screenshots

1.21

1.20.4

Environment

• Minecraft: 1.21/1.20.4
• Fabric Loader: 0.16.2 / 0.15.11
• Fabric API: 0.102.0+1.21 / 0.97.1+1.20.4

Additional context

Its a world on Multiplayer

In my test, Reinforced Barrels and Reinforced Shulker Boxes have the same issue
I guess the problem comes from the conversion from NBT to Component

I have tried with the 1.20.6 version and i have the same issue.