awaitLogInEither
suspend fun <Error class: unknown class>.awaitLogInEither(newAppUserID: String): Either<<Error class: unknown class>, <Error class: unknown class>>
This function will change the current Purchases.appUserID. Typically this would be used after a log out to identify a new user without calling Purchases.configure.
Return
An Either.Right containing CustomerInfo if successful, an Either.Left containing a PurchasesError in case of a failure.
Parameters
newAppUserID
The new appUserID that should be linked to the currently user