[PIMAG-865] Improvement: Send the full address for payments api transactions

[michielgerritsen]

Thank you for creating this pull request! To make the best use of your and our time we created this checklist to get the best possible pull requests:

• The code is working on a plain Magento 2 installation.
• The code follows the PSR-2 code style.
• When an exception or error is logged the message is accompanied with some context, eg: Error when trying to get the payment status:
• Contains tests for the changed/added code (great if so but not required).
• I have added a scenario to test my changes.

This PR touches code in the following areas (Check what is applicable):

Frontend

• Shopping cart
• Checkout
• Totals
• Payment methods

Backend

• Configuration
• Order grid
• Order view
• Invoice view
• Credit memo view
• Shipment view
• Email sending

Order Processing (Mollie communication)

• Creating the order
• Invoicing the order
• Shipping the order
• Refunding (credit memo) the order

Other
If you didn't check any boxes above, please describe your changes in this section.

Please describe the bug/feature/etc this PR contains:

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Scenario to test this code:

Open the environment and...

[fabiandamhuis]

Hi, were getting an error a payment. Looks like you added telephone, but the Mollie documentation says phone.

Error executing API call (422: Unprocessable Entity): Non-existent body parameter "billingAddress.telephone" for this API call. Did you mean: "billingAddress.phone"?. Field: billingAddress.telephone. Documentation: https://docs.mollie.com/reference/handling-errors

[Frank-Magmodules]

Hi @fabiandamhuis, that’s strange, this works in V3, so we’ll investigate what’s different.
Anyway, we’ve just updated the PR; could you check if it works for you now as well? Thanks!