Re-factor/Fix MFTF tests for Columns creation

[paras89]

Summary (*)

After introducing columns many MFTF tests need to be re-factored since now column content type cannot be added directly to content types other than "Columns". This ticket is a placeholder for all the related MFTF fixes.

Examples (*)

Proposed solution

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[sidolov]

@magento export issue to Jira project PB

[sidolov]

@magento export issue to Jira project PB as Task

[github-jira-sync-bot]

:white_check_mark: Jira issue https://jira.corp.magento.com/browse/PB-1182 is successfully created for this GitHub issue.