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.Shared/Payload/Components/PayloadTriggerComponent.cs

@@ -1,3 +1,4 @@
+using Content.Shared.Explosion.Components;
 using Robust.Shared.GameStates;
 using Robust.Shared.Prototypes;