What happened?

jetpack can't be equiped in the back slot in curios,but in 1.18.2 or 1.19front version, it can

Mod Version

1.19.2 2.1.3

Minecraft Version

None

Forge Version

43.2.6

Relevant log output

No response

you would have to allow jetpacks to be put into curios' backslot like explained at the bottom of the readme file