requests: add subcommunity invitation request details page

[carlinmack]

❤️ Thank you for your contribution!

Close zenodo/zenodo-rdm#1061

Description

Please describe briefly your pull request.

Relies on invenio-communities PR for tests to pass

Checklist

Ticks in all boxes and 🟢 on all GitHub actions status checks are required to merge:

• I'm aware of the code of conduct.
• I've created logical separate commits and followed the commit message format.
• I've added relevant test cases.
• I've added relevant documentation.
• I've marked translation strings.
• I've identified the copyright holder(s) and updated copyright headers for touched files (>15 lines contributions).
• I've NOT included third-party code (copy/pasted source code or new dependencies).
  • If you have added third-party code (copy/pasted or new dependencies), please reach out to an architect.

Frontend

• I've followed the CSS/JS and React guidelines.
• I've followed the web accessibility guidelines.
• I've followed the user interface guidelines.

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[carlinmack]

Tests failing as it relies on invenio-communities

[jrcastro2]

LGTU! Peer reviewed with @0einstein0