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/Lathe/LatheSystem.cs

@@ -19,6 +19,7 @@ using Content.Shared.Emag.Components;
 using Content.Shared.Examine;
 using Content.Shared.Lathe;
 using Content.Shared.Materials;
+using Content.Shared.Power;
 using Content.Shared.ReagentSpeed;
 using Content.Shared.Research.Components;
 using Content.Shared.Research.Prototypes;