[Owls] Product description does not default to Page Builder on fresh install

[davemacaulay]

Scope

Bugs

• MC-14947 Product description does not default to Page Builder on fresh install

Jenkins Builds

https://m2build-ur.devops.magento.com/job/All-User-Requested-Tests/14168/

Checklist

• PR is green on M2 Quality Portal
• Jira issues have accurate summary, meaningful description and have links to relevant documentation at the story/task level
• Semantic Version build failure is approved by architect (if build is red)
• Pull Request approved by architect (optional)
• Pull Request quality review performed by @anthoula
• All unstable functional acceptance tests are isolated (if any)
• All linked Zephyr tests are approved by PO and have Ready to Use status
• Travis CI build is green (for mainline CE only)
• [Jenkins Extended FAT build is green]