Not bringing over customers phone numbers when customers use amazon p…

[worais]

Not bringing over customer's phone numbers when customers use amazon pay on checkout [w#230]

All Submissions:

• Does your code follow the Extendables standards?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?

Changes proposed in this Pull Request:

Closes:
https://app.clickup.com/t/30dd0wd

How to test the changes in this Pull Request:

1. Make a purchase with a user who does not have the phone number
2. The phone number field must be displayed

Other information:

• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changelog entry

Displaying the billing_phone field when the account does not have a phone number

[lauramelos]

LGTM!