Lights include IVA layers

<img width="1123" height="1072" alt="Image" src="https://github.com/user-attachments/assets/6ea79375-bebf-4b77-8f0c-f99d0facb34f" />

This manifests as lights appearing in IVA and the kerbal portraits at locations where they shouldn't.  Need to disable layers 16 and 20.