feat(recent-search): add nc:upload_time as a select prop

[cristianscheid]

• Resolves: #

Summary

• Related to feat(recent-files): allow configuring image grouping nextcloud/server#58908

• Adds support for <nc:upload_time/> selecting when available as a backend capability

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)
• Labels added where applicable (ex: bug/enhancement, 3. to review, feature component)
• Milestone added for target branch/version (ex: 32.x for stable32)

AI (if applicable)

• The content of this PR was partly or fully generated using AI

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.53%. Comparing base (d366d98) to head (795bde2).
⚠️ Report is 24 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1543   +/-   ##
=======================================
  Coverage   72.53%   72.53%           
=======================================
  Files          40       40           
  Lines        1107     1107           
  Branches      271      271           
=======================================
  Hits          803      803           
  Misses        272      272           
  Partials       32       32           

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[cristianscheid]

/backport to stable33