[Runtime Issue]: Framerates in outdoor areas drop to half to third of indoor areas and spikes GPU usage.

### Build Version

2db85ca6ecd46ff31035f59cd409477e81d4e0e7

### Operating System Environment

- [ ] Microsoft Windows (32-bit)
- [ ] Microsoft Windows (64-bit)
- [ ] Mac OS X
- [X] Linux (specify distribution and version below)

### CPU Environment

- [ ] x86 (32-bit Intel/AMD)
- [X] x86\_64 (64-bit Intel/AMD)
- [ ] ARM (32-bit)
- [ ] ARM64 (64-bit; sometimes called AArch64)
- [ ] Other (RISC V, PPC...)

### Game Modes Affected

- [X] Single player
- [X] Anarchy
- [ ] Hyper-Anarchy
- [ ] Robo-Anarchy
- [ ] Team Anarchy
- [ ] Capture the Flag
- [ ] Bounty
- [ ] Entropy
- [ ] Hoard
- [ ] Monsterball
- [ ] Cooperative

### Game Environment

_No response_

### Description

Looking at skybox with no terrain in view or returning to indoor areas returns framerate to normal. Possible terrain is not being culled?

### Regression Status

_No response_

### Steps to Reproduce

Enter outdoor area, framerate halves and GPU usage triples.

https://github.com/user-attachments/assets/4c99ac6a-5288-47c6-8161-175733dad533