Texture bug in Sophisticated Backpack's upgrade slot

[Schinkennugget]

In the upgrade slot of backpacks by the Sophisticated Backpacks mod, the texture doesn't align with the upgrades:

How it should be:

Resource pack version: 1.20-2023.7.0

[aricloverEXTRA]

Use the add-on https://modrinth.com/resourcepack/default-dark-mode-expansion
on top of Default Dark Mode. the Default Dark Mode: Expansion resource pack actually fixes Sophisticated Backpack's slot problem!