Add new getPaymentInstrumentDetails helper

[gciotola]

Related to commercelayer/issues-app#604

What I did

I've extracted from ResourcePaymentMethod a new helper to easily retrieve payment instrument details

const { 
  paymentMethodName,    // Adyen Payment
  cardType,             // Visa
  issuerType,           // credit card
  cardLastDigits,       // 4242
  cardExpiry.           // 10/29
} = getPaymentInstrumentDetails(orderWithPaymentSourceResponse)

How to test

Checklist

• Make sure your changes are tested (stories and/or unit, integration, or end-to-end tests).
• Make sure to add/update documentation regarding your changes.
• You are NOT deprecating/removing a feature.

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