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/ParticleAccelerator/EntitySystems/ParticleAcceleratorSystem.ControlBox.cs

@@ -6,6 +6,7 @@ using Robust.Shared.Utility;
 using System.Diagnostics;
 using Content.Server.Administration.Managers;
 using Content.Shared.CCVar;
+using Content.Shared.Power;
 using Robust.Shared.Audio;
 using Robust.Shared.Audio.Systems;
 using Robust.Shared.Timing;