Engine Entity Anchoring Changes (#4195)

* Converted all SnapGridPositionChangedEvent subscriptions to AnchorStateChangedEvent.

* Fixes power tests with new anchored requirements.

* Moved AnchorableComponent into construction.
AnchorableComponent now uses Transform.Anchored.

* Fixed bug with nodes, power works again.

* Adds lifetime stages to Component.

* Update Engine to v0.4.70.

Content.Server/Communications/CommunicationsConsoleComponent.cs

@@ -35,7 +35,7 @@ namespace Content.Server.Communications
         public TimeSpan AnnounceCooldown { get; } = TimeSpan.FromSeconds(90);
         private CancellationTokenSource _announceCooldownEndedTokenSource = new();
 
-        public override void Initialize()
+        protected override void Initialize()
         {
             base.Initialize();
 
@@ -76,7 +76,7 @@ namespace Content.Server.Communications
             return _gameTiming.CurTime >= LastAnnounceTime + AnnounceCooldown;
         }
 
-        public override void OnRemove()
+        protected override void OnRemove()
         {
             RoundEndSystem.OnRoundEndCountdownStarted -= UpdateBoundInterface;
             RoundEndSystem.OnRoundEndCountdownCancelled -= UpdateBoundInterface;