feat: duplicate space

[LucasXu0]

Feature Preview

Include the below properties when duplicating view/space.

• icon
• cover
• children

duplicate.mp4

---

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	26	warning	contribute (via Fink 🐦)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.74%. Comparing base (94f9349) to head (5f3055a).
Report is 827 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##            main    #5612       +/-   ##
==========================================
+ Coverage   9.70%   86.74%   +77.04%     
==========================================
  Files        685      217      -468     
  Lines      31812     5032    -26780     
  Branches       0      831      +831     
==========================================
+ Hits        3086     4365     +1279     
+ Misses     28726      561    -28165     
- Partials       0      106      +106     

Flag	Coverage Δ
appflowy_flutter_unit_test	?
appflowy_web_app	86.74% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[LucasXu0]

closes #5442