Description

For non-superusers, the user menu in the top right corner does not show a link to the Django admin interface. However staff users should see it. So I just removed the restriction to only show it to superusers altogether. Partly because I don't know anything about JS. :D

Related issues

Closes #529

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).

Checklist

• I have read and understood the rules about how to Contribute to this project.
• The pull request is for the branch develop.
• I have added documentation of the new features.
• Linters (Black, Flake, Isort) gave 0 errors. If you have correctly installed pre-commit, it does these checks and adjustments on your behalf.
• I have added tests for the feature/bug I solved. All the tests (new and old ones) gave 0 errors.
• If changes were made to an existing model/serializer/view, the docs were updated and regenerated (check CONTRIBUTE.md).
• If the GUI has been modified:
  • I have a provided a screenshot of the result in the PR.
  • I have created new frontend tests for the new component or updated existing ones.

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