Does this help (use stationary lighting w/movable objects) Stationary Light Mobility in Unreal Engine | Unreal Engine 5.0 Documentation | Epic Developer Community
TIP: I don’t use stationary lighting so I am out of my depth here but based on my research and a reddit thread it seems this might be a path?
EDIT: I also found this, Using Precomputed Lighting Scenarios in Unreal Engine | Unreal Engine 5.5 Documentation | Epic Developer Community