Describe the bug

The renderer for the ItemImage is very dark. It works fine for BlockImage though.

Here is a screenshot of the ItemImage:

And this is how the BlockImage looks like:

How to reproduce the bug

Use an ItemImage on a guidebook page. I used a block and a part.

Expected behavior

The item image renderer should have the same brightness as the block renderer.

Additional details

No response

Which minecraft version are you using?

1.21

On which mod loaders does it happen?

NeoForge

Crash log

https://pastebin.com/A8hmJTUc