Split settings capabilities (#5550)

[aHenryJard]

Proposed changes

• Add users for backend tests:
  • Disinformation analyst profile
  • Platform admin profile

Related issues

Checklist

• [ ] I consider the submitted work as finished
• [ ] I tested the code for its functionality
• [ ] I wrote test cases for the relevant uses case (coverage and e2e)
• [ ] I added/update the relevant documentation (either on github or on notion)
• [ ] Where necessary I refactored code to improve the overall quality

Further comments