Fix dup level names

[bethanyaconnor]

I ended up doing this locally instead of on levelbuilder as I was already most of the way there. We'll need to monitor the DTL for potential issue.

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Follow-up work

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Caching

PR Checklist:

• Tests provide adequate coverage
• Privacy and Security impacts have been assessed
• Code is well-commented
• New features are translatable or updates will not break translations
• Relevant documentation has been added or updated
• User impact is well-understood and desirable
• Pull Request is labeled appropriately
• Follow-up work items (including potential tech debt) are tracked and linked

[bethanyaconnor]

I confirmed that bundle exec rake seed:dsls completes successfully for me locally. I am running bundle exec rake seed:scripts and will merge this PR ahead of Drone if that succeeds.