Checks whether or not the given onboarding has been completed yet, which is useful for avoiding showing the onboarding animation again.
If onboardingId is not one of the accepted IDs, an error is thrown.
The onboarding process is one-way. This means that, as a developer, you can force the onboarding process to completion but cannot reset it.
UserGameSettings/SetOnboardingCompleted, sets onboarding as completed
The onboarding ID to inquire about
Whether or not the onboarding in particular has been completed yet