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/Power/EntitySystems/CableMultitoolSystem.cs

@@ -4,6 +4,7 @@ using Content.Server.Power.NodeGroups;
 using Content.Server.Tools;
 using Content.Shared.Examine;
 using Content.Shared.Interaction;
+using Content.Shared.Tools.Systems;
 using Content.Shared.Verbs;
 using JetBrains.Annotations;
 using Robust.Shared.Utility;
@@ -27,7 +28,7 @@ namespace Content.Server.Power.EntitySystems
 
         private void OnAfterInteractUsing(EntityUid uid, CableComponent component, AfterInteractUsingEvent args)
         {
-            if (args.Handled || args.Target == null || !args.CanReach || !_toolSystem.HasQuality(args.Used, "Pulsing"))
+            if (args.Handled || args.Target == null || !args.CanReach || !_toolSystem.HasQuality(args.Used, SharedToolSystem.PulseQuality))
                 return;
 
             var markup = FormattedMessage.FromMarkup(GenerateCableMarkup(uid));
@@ -45,7 +46,7 @@ namespace Content.Server.Power.EntitySystems
 
                 // Pulsing is hardcoded here because I don't think it needs to be more complex than that right now.
                 // Update if I'm wrong.
-                var enabled = held != null && _toolSystem.HasQuality(held.Value, "Pulsing");
+                var enabled = held != null && _toolSystem.HasQuality(held.Value, SharedToolSystem.PulseQuality);
                 var verb = new ExamineVerb
                 {
                     Disabled = !enabled,