Save country when creating new quote addresses

[pmclain]

Description (*)

Properly set the country_id value on quote address objects created using the shipping and billing method mutations.

Fixed Issues (if relevant)

1. Country Not Saved With New Quote Addresses #389: Country Not Saved With New Quote Addresses

Manual testing scenarios (*)

1. Create empty cart

mutation {
  createEmptyCart
}

2. Add new shipping address on cart

mutation SetShippingAddress($cartId:String!) {
  setShippingAddressesOnCart(input: {
    cart_id:$cartId
    shipping_addresses:[{
      address:{
        city:"Nowhere"
        country_code:"US"
        firstname:"Patrick"
        lastname:"McLain"
        postcode:"49920"
        region:"MI"
        save_in_address_book:false
        street:["123 Abc Ct"]
        telephone:"5555555555"
      }
    }]
  }) {
    cart {
      cart_id
      shipping_addresses {
        country {
          code
          label
        }
      }
    }
  }
}

3. Set billing address on cart

mutation SetBillingAddress($cartId:String!) {
  setBillingAddressOnCart(input: {
    cart_id:$cartId
    billing_addresses:{
      address:{
        city:"Nowhere"
        country_code:"US"
        firstname:"Patrick"
        lastname:"McLain"
        postcode:"49920"
        region:"MI"
        save_in_address_book:false
        street:["123 Abc Ct"]
        telephone:"5555555555"
      }
    }
  }) {
    cart {
      cart_id
      billing_address {
        country {
          code
          label
        }
      }
    }
  }
}

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[ghost]

Hi @pmclain, thank you for your contribution!
Please, complete Contribution Survey, it will take less than a minute.
Your feedback will help us to improve contribution process.