Nether Portal is not correctly rendered with some shaders (the position of the portal seems incorrect)

[Lolothepro]

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According to your testing, does the issue occur with ONLY Immersive Portals mod and Fabric API?

No

Describe the issue

https://streamable.com/p241gs

https://user-images.githubusercontent.com/68275908/223736857-7148dca4-7501-4a29-9f24-d683172b8b5e.mp4

Nothing seems relevant in the logs. Shaders: https://modrinth.com/shader/cel-shader