fix(files): Remove obsolete loading code from old API, add public shared id to enabled view

[JuliaKirschenheuter]

Remove obsolete loading code from old API, add public shared id to enabled view

• Resolves: Readme not shown as folder description on public share links #7088

🖼️ Screenshots

🏚️ Before	🏡 After

🏁 Checklist

• Code is properly formatted (npm run lint / npm run stylelint / composer run cs:check)
• Sign-off message is added to all commits
• Tests (unit, integration and/or end-to-end) passing and the changes are covered with tests
• Documentation (README or documentation) has been updated or is not required

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.75%. Comparing base (95160cd) to head (42093ca).
Report is 40 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #7157 +/- ##
==========================================
+ Coverage 51.83% 58.75% +6.92% 
==========================================
Files 479 478 -1 Lines 41488 36555 -4933 Branches 1002 1001 -1 ==========================================
- Hits 21504 21477 -27 + Misses 19879 14973 -4906 
Partials 105 105 

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[szaimen]

/backport to stable31

[juliusknorr]

/backport to stable31

[horvathcsabalaszlo]

Thanks :)

[skjnldsv]

/backport to stable31