Can't override unbound keys

[fewizz]

Minecraft Version

1.21.8

Mod Loader

Fabric

Describe the Issue

Mod version is fabric-1.21.8-21.8.3.

keybindings.txt

I tried to override vanilla's Toggle Cinematic Camera key (key_key.smoothCamera) by calling /defaultoptions saveKeys, deleting options.txt and restarting the game. It didn't work.

Logs

latest.log