Prevent invoice cancelation multiple times 2.2-develop [Backport]

[osrecio]

Add Guard Clause to check if invoice has been canceled previously

Description

The invoice gets canceled twice, so order amounts are also being adjusted twice.

With same approach of Magento\Sales\Model\Order::cancel added guard clause to avoid recancel order.

Fixed Issues (if relevant)

1. Canceled invoice can be canceled again #9968

Manual testing scenarios

1. Load Invoice programmatically
2. Cancel Invoice
3. Try to Cancel the same invoice

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)