X-Ray couldn't set to fullbright when Iris Shader is installed

[TanChenyu]

Pre-reporting checklist

• [X] I have searched existing issues and didn't find any previous reports of this bug.
• [X] This bug still happens in the latest version of Wurst. I've made sure my installation is up to date.
• [X] I have tried removing all other mods and the bug still happens.

Description

The following is for comparison:

Repro steps

1. Install Iris Shader and Wurst, didn't add any shaderpack.
2. Enter the world and enable X-Ray.

Wurst Client version

7.45

Minecraft version

1.21.1

Crash report (if applicable)

No response

[Flaming-Dorito]

Can confirm this. I didn't use iris much anyways so I just uninstalled it but if this is fixed I might reinstall it.