Fix pipe connection bug (#6753)

Content.Server/NodeContainer/Nodes/Node.cs

@@ -52,12 +52,12 @@ namespace Content.Server.NodeContainer.Nodes
             return xform.Anchored;
         }
 
-        protected bool Anchored => !NeedAnchored || IoCManager.Resolve<IEntityManager>().GetComponent<TransformComponent>(Owner).Anchored;
-
         [ViewVariables(VVAccess.ReadWrite)]
         [DataField("needAnchored")]
         public bool NeedAnchored { get; } = true;
 
+        public virtual void OnAnchorStateChanged(IEntityManager entityManager, bool anchored) { }
+
         /// <summary>
         ///    Prevents a node from being used by other nodes while midway through removal.
         /// </summary>