Power stuff (#31314)

* Power stuff

- Add shared IsPowered
- Add shared ResolveApc
- Move PowerChangedEvent to shared for now
- Add SlimPoweredLight that actually functions how you'd expect a PoweredLight to function it id didn't have a bunch of bloat on it.

* big update

* boing

Content.Server/Shuttles/Systems/ThrusterSystem.cs

@@ -19,6 +19,7 @@ using Robust.Shared.Physics.Systems;
 using Robust.Shared.Timing;
 using Robust.Shared.Utility;
 using Content.Shared.Localizations;
+using Content.Shared.Power;
 
 namespace Content.Server.Shuttles.Systems;