fix: clean up dto

[ColinBuyck]

This PR addresses #4248

• [x] Addresses the issue in full
• [ ] Addresses only certain aspects of the issue

Description

This is another follow up since the flaws in my mapTo function was preventing data from coming through to the FE.

How Can This Be Tested/Reviewed?

This can be tested by signing into the public side, applying to a listing, going to the my applications page, finding the publicAppsView call and ensure there is more information on the listing than just name and id

Author Checklist:

• [ ] Added QA notes to the issue with applicable URLs
• [x] Reviewed in a desktop view
• [ ] Reviewed in a mobile view
• [ ] Reviewed considering accessibility
• [ ] Added tests covering the changes
• [ ] Made corresponding changes to the documentation
• [ ] Ran yarn generate:client and/or created a migration when required

Review Process:

• Read and understand the issue
• Ensure the author has added QA notes
• Review the code itself from a style point of view
• Pull the changes down locally and test that the acceptance criteria is met
• Either (1) explicitly ask a clarifying question, (2) request changes, or (3) approve the PR, even if there are very small remaining changes, if you don't need to re-review after the updates

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