Fix LoS settings "Number of the next/last speakers..."

The settings abnout the LoS do not change anything about the projection:

The setting:
<img width="576" height="259" alt="Image" src="https://github.com/user-attachments/assets/86e513e8-42ed-4b82-8f59-c7ff4bce4de9" />


The projection:
<img width="576" height="259" alt="Image" src="https://github.com/user-attachments/assets/5394c9cd-68e0-4a05-b4ea-7c8a442de3fc" />