MC 1.18.1
Forge 39.0.0
JEI 9.1.0.46

The overlay in the inventory screen shows up in survival mode, but disappears in creative. I'll fiddle around with the handful of mods I have to see if I can resolve it, and if so I'll update you on where the conflict is.

Did you try pressing O? Happened to me too

Yep that was the issue. User error as always >.>