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/Light/Components/SlimPoweredLightComponent.cs

@@ -0,0 +1,17 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Light.Components;
+
+// All content light code is terrible and everything is baked-in. Power code got predicted before light code did.
+/// <summary>
+/// Handles turning a pointlight on / off based on power. Nothing else
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class SlimPoweredLightComponent : Component
+{
+    /// <summary>
+    /// Used to make this as being lit. If unpowered then the light will still be off.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public bool Enabled = true;
+}