[4.3] Occlusion culling broken in 4.3.1 Alpha

[DAShoe1]

Tested versions

Reproducible in 4.3.1.alpha.1 and 4.3.1.alpha.2
Works in 4.3.stable

System information

Windows 10

Issue description

Occlusion culling was broken with this PR from Godot: godotengine/godot#98770

This PR should fix it: godotengine/godot#100060

Steps to reproduce

godotengine/godot#100032

Minimal reproduction project (MRP)

N/A

[Spartan322]

Thanks for testing and for reporting the regression correcting PR for us, that helped immensely.

[Spartan322]

Fixed by #978