Strange error based on collision listener (when the line is straight, the collision doesn't pick up)

[Pagaurus]

Hello everyone, I'm creating a level editor with the physics engine (wasm variant), and I noted some strange behaviour with the collision listener. When the ball reaches the edge of the screen, the ball is deleted, except in the following case:

Then, when I change the rotation of that platform which is holding the balls:

So, it seems like in the first screenshot, the platform is at such an angle where the collision listeners don't pick up the new collision, and they roll through it.

listener = new Box2D.JSContactListener();

listener.BeginContact = function (contactPtr) {
	var contact = Box2D.wrapPointer( contactPtr, Box2D.b2Contact );
	var fixtureA = contact.GetFixtureA();
	var fixtureB = contact.GetFixtureB();

	if(fixtureA.GetType() == 1){
		body = fixtureB.GetBody();
		
		deleteList.push(userData[body.GetUserData()]);
	}
}

listener.EndContact = function() {};
listener.PreSolve = function() {};
listener.PostSolve = function() {};

world.SetContactListener(listener);

This is the code being used for collision handling. It's not a problem for me, I'm just curious why it's happening and thought the Box2D team might like to know about it.