Predict dumping (#32394)

* Predict dumping

- This got soaped really fucking hard.
- Dumping is predicted, this required disposals to be predicte.d
- Disposals required mailing (because it's tightly coupled), and a smidge of other content systems.
- I also had to fix a compnetworkgenerator issue at the same time so it wouldn't mispredict.

* Fix a bunch of stuff

* nasty merge

* Some reviews

* Some more reviews while I stash

* Fix merge

* Fix merge

* Half of review

* Review

* re(h)f

* lizards

* feexes

* feex

Content.Shared/Power/EntitySystems/SharedPowerReceiverSystem.cs

@@ -62,8 +62,13 @@ public abstract class SharedPowerReceiverSystem : EntitySystem
         return !receiver.PowerDisabled; // i.e. PowerEnabled
     }
 
-    /// <summary>
-    /// Checks if entity is APC-powered device, and if it have power.
+    protected virtual void RaisePower(Entity<SharedApcPowerReceiverComponent> entity)
+    {
+        // NOOP on server because client has 0 idea of load so we can't raise it properly in shared.
+    }
+
+	/// <summary>
+	/// Checks if entity is APC-powered device, and if it have power.
     /// </summary>
     public bool IsPowered(Entity<SharedApcPowerReceiverComponent?> entity)
     {