fix: Static Rigidbodies Moving When Velocity or AngularVelocity Assigned

Engine.Physics2D/PhysicsEngine2D.cs

@@ -97,6 +97,9 @@ public class PhysicsEngine2D : IPhysicsEngine2D
 
     private static void StepRigidBody(IRigidBody2D rigidBody, float intervalDeltaTime)
     {
+        if (rigidBody.IsStatic)
+            return;
+
         rigidBody.Transform.Position += rigidBody.Velocity * intervalDeltaTime;
         rigidBody.Transform.Rotation += rigidBody.AngularVelocity * intervalDeltaTime;
     }