Extreme lag when rotating the camera to a negative perspective on Intel Iris Xe IGPs on Windows (D3D12)

### Tested versions

Reproducible: 4.6 stable and 4.6.1 RC1
Non-reproducible: 4.5

### System information

Godot v4.6.1.rc1 - Windows 11 (build 26200) - Multi-window, 2 monitors - Direct3D 12 (Mobile) - dedicated Intel(R) Iris(R) Xe Graphics (Intel Corporation; 32.0.101.7084) - 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz (8 threads) - 15.78 GiB memory

### Issue description

The editor's FPS drops drastically every time I rotate the camera towards the ground – looking upside down.

This performance drop affects the entire Windows 11 system.

### Steps to reproduce

Simply rotate the editor's camera to negative/upside-down positions.

### Minimal reproduction project (MRP)

[test.zip](https://github.com/user-attachments/files/25219159/test.zip)