chore: support set rag only

[appflowy]

Feature Preview

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PR Checklist

• My code adheres to AppFlowy's Conventions
• I've listed at least one issue that this PR fixes in the description above.
• I've added a test(s) to validate changes in this PR, or this PR only contains semantic changes.
• All existing tests are passing.

[github-actions]

🥷 Ninja i18n – 🛎️ Translations need to be updated

Project /project.inlang

lint rule	new reports	level	link
Missing translation	28	warning	contribute (via Fink 🐦)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.41%. Comparing base (171c563) to head (36d8a32).
Report is 9 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7057   +/-   ##
=======================================
  Coverage   64.41%   64.41%           
=======================================
  Files         280      280           
  Lines       10738    10738           
  Branches     1449     1449           
=======================================
  Hits         6917     6917           
  Misses       3648     3648           
  Partials      173      173           

Flag	Coverage Δ
appflowy_web_app	64.41% <ø> (ø)

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