Array short syntax

[lfluvisotto]

Description

Array short syntax, uniformity with other codes using [ ]

Fixed Issues

N/A

[magento-engcom-team]

Hi @lfluvisotto. Thank you for your contribution
Here is some useful tips how you can test your changes using Magento test environment.
Add the comment under your pull request to deploy test or vanilla Magento instance:

• @magento-engcom-team give me test instance - deploy test instance based on PR changes
• @magento-engcom-team give me {$VERSION} instance - deploy vanilla Magento instance

For more details, please, review the Magento Contributor Assistant documentation

[magento-engcom-team]

Hi @ihor-sviziev, thank you for the review.
ENGCOM-2390 has been created to process this Pull Request

[magento-engcom-team]

Hi @lfluvisotto. Thank you for your contribution.
We will aim to release these changes as part of 2.2.6.
Please check the release notes for final confirmation.

Please, consider to port this solution to 2.3 release line.
You may use Porting tool to port commits automatically.

[nmalevanec]

No need for forwardport. 2.3 already has this code changes MAGETWO-83893