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/Materials/MaterialReclaimerSystem.cs

@@ -24,6 +24,7 @@ using Content.Server.Repairable;
 using Content.Shared.Database;
 using Content.Shared.Destructible;
 using Content.Shared.Emag.Components;
+using Content.Shared.Power;
 using Robust.Shared.Prototypes;
 
 namespace Content.Server.Materials;