- `DontLightOthers`: Acts as the inverse of `DontLightSelf`, where it won't light actors that aren't the owner.
- `DontLightMap`: The light doesn't affect the map.
They are attached and actived explicitly during usual actor initialization sequence
Postponed processing applicable to so called user dynamic lights must be skipped for them
RECREATELIGHTS flag handling for dynamic light actors had the opposite effect of deactivating them
https://forum.zdoom.org/viewtopic.php?t=65683