Bug in [1.21.4] Traveler's Backpack 10.4.10 for Fabric

1. Describe the bug

Cannot toggle upgrade enabled/disabled status

2. Write steps to reproduce the bug

Open backpack and click on enable/disable button for any upgrade. Status of upgrade doesn't change.

3. What is expected behaviour

Upgrade status should be toggled to opposite state.

4. Screenshots (If applicable)

https://www.curseforge.com/minecraft/mc-mods/travelers-backpack-fabric
Fixed