Back-end support for Applicants admin page

[ACoullard]

Back end support for "Applicants" admin page

🎫 Issue #486

▶ Changelist:

• Adds in new back end routes to perform sorting, filtering, searching, etc. that used to be done on the front end
• Re-wires front end to no longer do there operations on its own, and instead rely on the back end to do so
• Adds in index set up for the DB collection.
• Adds in seeding script for testing
• Automatically uses applicant_data_test when running through yarn dev:app and the production applicant_data collection otherwise

📝 Notes + 🚧 TODO:

• Unit tests were not created, they will come at a later date once a testing frame work is added the package.json

🧪 Testing:

• Running using yarn dev:app should showcase the new route accessing the applicant_data_test collection, as long as the proper MONGO_SERVER_DBNAME and MONGO_PROD_CONNECTION_STRING are set and uncommented in the env file.

🎥 Screenshots & Screencasts:

Indexes created

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Project	Deployment	Actions	Updated (UTC)
core-live	Ready	Preview, Comment	Jul 1, 2026 4:56am
core-main	Ready	Preview, Comment	Jul 1, 2026 4:56am