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/DeviceLinking/Components/PowerSensorComponent.cs

@@ -1,5 +1,6 @@
 using Content.Server.DeviceLinking.Systems;
 using Content.Shared.DeviceLinking;
+using Content.Shared.Power.Generator;
 using Content.Shared.Tools;
 using Robust.Shared.Audio;
 using Robust.Shared.Prototypes;