Fix static errors for previously delivered code

[github-jira-sync-bot]

False positive static tests build resulted in delivery of code with errors. Those errors must be fixed

Please use attached reports\files for the list of errors and affected files.

AC:

• Errors corrected
• Static tests build is successful 

[github-jira-sync-bot]

The issue was exported from the internal Jira. The link to the original Jira issue: https://jira.corp.magento.com/browse/AC-1207

[m2-assistant]

Hi @github-jira-sync-bot. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.4-develop instance - upcoming 2.4.x release

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Please, add a comment to assign the issue: @magento I am working on this

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[xmav]

phpstan_report.txt
phpmd_report.txt
phpcs_report.txt
b2b-legacy-console-log.txt

[karyna-t]

@magento I am working on this