Replaced @escapeNotVerified annotations

[istiahailo]

Description

There were added the escape functions to prevent XSS issues.

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• 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-cicd2]

All committers have signed the CLA.

[magento-engcom-team]

Hi @istiahailo. Thank you for your contribution
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[orlangur]

I don't think it's a good idea to escape translations, like __('SKU').

[YevSent]

@orlangur, translations also should be escaped. It's possible when translation would contain HTML tags for different languages. You can't guarantee that, for example, a French (or any other) translation for SKU will be without HTML.

[magento-engcom-team]

@istiahailo thank you for contributing. Please accept Community Contributors team invitation here to gain extended permissions for this repository.

[magento-engcom-team]

Hi @istiahailo. Thank you for your contribution.
Changes from your Pull Request will be available with the upcoming 2.2.6 release.

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

[istiahailo]

The "Porting tool" can't port commits automatically to 2.3 release line.These commits need the manual porting.