deserializtion of notifications fails because no deserialization provider is registered

[baywet]

here https://github.com/microsoftgraph/aspnetcore-webhooks-sample/blob/9be538d386f941ecfa675c902cb596ae42d7a8ea/src/GraphWebhooks/Controllers/ListenController.cs#L76 and there https://github.com/microsoftgraph/aspnetcore-webhooks-sample/blob/9be538d386f941ecfa675c902cb596ae42d7a8ea/src/GraphWebhooks/Controllers/LifecycleController.cs#L54

The following line needs to be added

ApiClientBuilder.RegisterDefaultDeserializer<JsonParseNodeFactory>();