ActionBlocker CanMove uses EntityUid exclusively

Content.Shared/ActionBlocker/ActionBlockerSystem.cs

@@ -21,17 +21,12 @@ namespace Content.Shared.ActionBlocker
         // TODO: Make the EntityUid the main overload for all these methods.
         // TODO: Move each of these to their relevant EntitySystems?
 
-        public bool CanMove(IEntity entity)
-        {
-            var ev = new MovementAttemptEvent(entity);
-
-            RaiseLocalEvent(entity.Uid, ev);
-            return !ev.Cancelled;
-        }
-
         public bool CanMove(EntityUid uid)
         {
-            return CanMove(EntityManager.GetEntity(uid));
+            var ev = new MovementAttemptEvent(uid);
+            RaiseLocalEvent(uid, ev);
+
+            return !ev.Cancelled;
         }
 
         public bool CanInteract(IEntity entity)

Content.Shared/Movement/MovementAttemptEvent.cs

@@ -4,11 +4,11 @@ namespace Content.Shared.Movement
 {
     public class MovementAttemptEvent : CancellableEntityEventArgs
     {
-        public MovementAttemptEvent(IEntity entity)
+        public MovementAttemptEvent(EntityUid uid)
         {
-            Entity = entity;
+            Uid = uid;
         }
 
-        public IEntity Entity { get; }
+        public EntityUid Uid { get; }
     }
 }

Content.Shared/Movement/SharedMoverController.cs

@@ -163,7 +163,7 @@ namespace Content.Shared.Movement
                    body.Owner.HasComponent<MobStateComponent>() &&
                    // If we're being pulled then don't mess with our velocity.
                    (!body.Owner.TryGetComponent(out SharedPullableComponent? pullable) || !pullable.BeingPulled) &&
-                   _blocker.CanMove(body.Owner);
+                   _blocker.CanMove(body.OwnerUid);
         }
 
         /// <summary>

Content.Shared/Pulling/Systems/SharedPullableSystem.cs

@@ -19,8 +19,8 @@ namespace Content.Shared.Pulling.Systems
 
         private void OnRelayMoveInput(EntityUid uid, SharedPullableComponent component, RelayMoveInputEvent args)
         {
-            var entity = args.Session.AttachedEntity;
-            if (entity == null || !_blocker.CanMove(entity)) return;
+            var entity = args.Session.AttachedEntityUid;
+            if (entity == null || !_blocker.CanMove(entity.Value)) return;
             _pullSystem.TryStopPull(component);
         }
     }