MAGETWO-11669: API salesRefundInvoiceV1 does no save invoice ID on credit memo

[nmalevanec]

Description

Fix for API salesRefundInvoiceV1 does no save invoice ID on credit memo.

Fixed Issues (if relevant)

1. API salesRefundInvoiceV1 does no save invoice ID on credit memo #11669: API salesRefundInvoiceV1 does no save invoice ID on credit memo

Manual testing scenarios

1. Place an order with an online payment method (PayPal).
2. Create an online invoice for the order.
3. Use API method salesRefundInvoiceV1 to create a refund for the invoice.
4. Check newly added row in sales_creditmemo table in Your Magento database. Field 'invoice_id' should content id of invoice credit memo was created for.

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)

[ishakhsuvarov]

Duplicates #11670

[nmalevanec]

Close this pull-request as duplicate #11670