message: items are not collidable anymore
diff: @@ -143,10 +143,10 @@ bool CollisionWorld::hasCollision(btRigidBody& it, Tempest::Vec3& normal) {
  bool needsCollision(btBroadphaseProxy* proxy0) const override {
  auto obj=reinterpret_cast<btCollisionObject*>(proxy0->m_clientObject);
  - if(obj->getUserIndex()!=DynamicWorld::C_Water)
  + if(obj->getUserIndex()!=DynamicWorld::C_Water &&
  + obj->getUserIndex()!=DynamicWorld::C_Item)
  return ContactResultCallback::needsCollision(proxy0);
  return false;
  - return true;
  }
  btScalar addSingleResult(btManifoldPoint& p,
  