light refactoring/rework (#19314)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Light/EntitySystems/RotatingLightSystem.cs

@@ -0,0 +1,24 @@
+using Content.Shared.Light;
+using Content.Shared.Light.Components;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Light.EntitySystems;
+
+public sealed class RotatingLightSystem : SharedRotatingLightSystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<RotatingLightComponent, PointLightToggleEvent>(OnLightToggle);
+    }
+
+    private void OnLightToggle(EntityUid uid, RotatingLightComponent comp, PointLightToggleEvent args)
+    {
+        if (comp.Enabled == args.Enabled)
+            return;
+
+        comp.Enabled = args.Enabled;
+        Dirty(comp);
+    }
+}