Bug: `fov_desired` is non-functional

[JVGRYT]

Describe the bug

When changing fov_desired either via the settings menu or the console, the player FOV doesn't change.
Link to video on P2:CE Discord
This also occurs in staging according to Len, but cl_fov works fine.
Edit: This also occurs in the stable build.

To Reproduce

1. Open map
2. Change FOV slider
3. cry
4. Change fov_desired in console
5. cry

Issue Map

Any map

Expected Behavior

FOV should change.

Operating System

Windows 11 Home | Version 25H2 | Build 26200.7705

[JVGRYT]

Edited to add, this also occurs in the current stable build.