[Bug/Cleanup] Fixing Console Errors/Requests

[xHayden]

Context

We have a bunch of console errors on different pages. Investigate them and solve them where you can.
We also get a few files with no clear reason. For example, in search and filter

Requirements

Frontend

• Investigate rendering errors/warnings
• Fix warnings/errors you find
• Investigate extra requests

Backend

• Investigate extra requests

Acceptance Criteria

• Fix console errors/warnings where possible
• Investigate extra requests
• Inform Hayden of anything that's weird/you can't fix

Notes