prepare Digital Credential Payment Consent
suspend fun prepareDigitalCredentialPaymentConsent(requestId: String, selectedCredentialOptions: List<MobileWalletPresentationCredentialSelection>, selectedDisclosureOptions: List<MobileWalletPresentationDisclosureSelection>? = null, did: String? = null): PreparedPaymentConsent?
Resolves payment instructions for the chosen DC API credentials without signing.