Work around transform anchoring in construction.

Content.Server/Construction/ConstructionSystem.cs

@@ -457,9 +457,16 @@ namespace Content.Server.Construction
                 return;
             }
 
+            // We do this to be able to move the construction to its proper position in case it's anchored...
+            // Oh wow transform anchoring is amazing wow I love it!!!!
+            var wasAnchored = structure.Transform.Anchored;
+            structure.Transform.Anchored = false;
+
             structure.Transform.Coordinates = ev.Location;
             structure.Transform.LocalRotation = constructionPrototype.CanRotate ? ev.Angle : Angle.Zero;
 
+            structure.Transform.Anchored = wasAnchored;
+
             RaiseNetworkEvent(new AckStructureConstructionMessage(ev.Ack));
 
             Cleanup();