chore: updated engine

Shared/Behaviours/PaddleBehaviour.cs

@@ -35,7 +35,7 @@ public class PaddleBehaviour(Keys Up, Keys Down, float High, float Low, float Sp
 
     protected override void OnFirstActiveFrame()
     {
-        inputs = GameManager.FindBehaviour<IButtonInputs<Keys>>() ?? throw new("Unable to find inputs");
+        inputs = GameManager.FindRequiredBehaviour<IButtonInputs<Keys>>();
 
         inputs.RegisterOnPress(Up, OnUpPressed);
         inputs.RegisterOnRelease(Up, OnUpReleased);