Replace xform.WorldPosition with xformSystem method for Setting/Getting (#30029)

* GET WORLD POSITON, ROTATION

* Missing parentheses

* ui system depndency

* the issue

* Unused

* Let the function do the transform

---------

Co-authored-by: plykiya <plykiya@protonmail.com>

Content.Server/Movement/StressTestMovementSystem.cs

@@ -39,7 +39,7 @@ public sealed class StressTestMovementSystem : EntitySystem
             var x = MathF.Sin(stressTest.Progress * MathHelper.TwoPi);
             var y = MathF.Cos(stressTest.Progress * MathHelper.TwoPi);
 
-            _transform.SetWorldPosition(transform, stressTest.Origin + new Vector2(x, y) * 5);
+            _transform.SetWorldPosition((uid, transform), stressTest.Origin + new Vector2(x, y) * 5);
         }
     }
 }