[Backport] Fixed Issue #20121 Cancel order increases stock although "Set Items' Status to be In Stock When Order is Cancelled" is set to No

[irajneeshgupta]

Original Pull Request

#20252
Fixed Issue #20121 Cancel order increases stock although "Set Items' Status to be In Stock When Order is Cancelled" is set to No

Preconditions

1. Magento 2.2.6 Community
2. Reproduced on PHP 7.1.18 and 7.1.25
3. MariaDB 10.1.26 and 10.3.11
4. Go to Stores -> Configuration -> Catalog -> Inventory and make sure the following options are set as per below:

• Decrease Stock When Order is Placed to Yes
• Set Items' Status to be In Stock When Order is Cancelled to No
• Manage Stock to Yes
• Automatically Return Credit Memo Item to Stock to No
  (see screenshot below)
  

Steps to reproduce

1. Place an order with 1 item of product (i.e. qty = 1)
2. Cancel order

Expected result

1. Product quantity in product catalog is decreased by 1 after order is created
2. Product quantity remains the same (i.e. does not increase) after order is canceled

Actual result

1. Product quantity in product catalog is decreased by 1 after order is created
2. Product quantity is increased by 1 immediately after order is canceled

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)

[magento-engcom-team]

Hi @irajneeshgupta. Thank you for your contribution
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[magento-engcom-team]

Hi @aleron75, thank you for the review.
ENGCOM-3978 has been created to process this Pull Request

[ghost]

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