feat(contentManagement): expose page API to allow remove section

[ruanyl]

Description

1. Add a Page API to allow remove section
2. Removed an unnecessary <OuiSpace /> if card section title is not shown

Screen.Recording.2024-10-17.at.11.37.56.mov

Issues Resolved

Screenshot

Testing the changes

Changelog

• feat: (contentManagement) Add a Page API to allow remove section

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 37.50000% with 5 lines in your changes missing coverage. Please review.

Project coverage is 60.96%. Comparing base (5c8b2e3) to head (38d0cd2).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
...nt_management/public/components/section_render.tsx	20.00%	4 Missing ⚠️
src/plugins/content_management/public/plugin.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8624      +/-   ##
==========================================
+ Coverage   60.94%   60.96%   +0.02%     
==========================================
  Files        3790     3792       +2     
  Lines       90306    90358      +52     
  Branches    14154    14170      +16     
==========================================
+ Hits        55034    55084      +50     
+ Misses      31815    31812       -3     
- Partials     3457     3462       +5     

Flag	Coverage Δ
Linux_1	29.32% <0.00%> (+0.03%)	⬆️
Linux_2	56.39% <ø> (ø)
Linux_3	37.71% <37.50%> (+<0.01%)	⬆️
Linux_4	29.91% <0.00%> (-0.01%)	⬇️
Windows_1	29.36% <0.00%> (+0.05%)	⬆️
Windows_2	56.34% <ø> (ø)
Windows_3	37.72% <37.50%> (+<0.01%)	⬆️
Windows_4	29.91% <0.00%> (-0.01%)	⬇️

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