fix(doc): copy form univer text and paste to univer

[Jocs]

• I am sure that the code is update-to-date with the dev branch.

---

• Rewrite IDocumentBody to Html algo.
• Add more tests.

close #1426

[github-actions]

View Deployment

📑 Examples	📚 Storybook
🔗 Preview link	🔗 Preview link

[codecov]

Codecov Report

Attention: Patch coverage is 58.33333% with 30 lines in your changes are missing coverage. Please review.

Project coverage is 32.70%. Comparing base (271574a) to head (871aa55).

Files	Patch %	Lines
...ipboard/html-to-udm/paste-plugins/plugin-univer.ts	0.00%	14 Missing ⚠️
...ui/src/services/clipboard/udm-to-html/convertor.ts	82.35%	9 Missing ⚠️
...ocs-ui/src/services/clipboard/html-to-udm/utils.ts	0.00%	4 Missing ⚠️
...services/clipboard/html-to-udm/parse-node-style.ts	0.00%	2 Missing ⚠️
...ocs-ui/src/services/clipboard/clipboard.service.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1473      +/-   ##
==========================================
+ Coverage   32.67%   32.70%   +0.02%     
==========================================
  Files         906      907       +1     
  Lines       50465    50502      +37     
  Branches    10520    10533      +13     
==========================================
+ Hits        16491    16516      +25     
- Misses      33974    33986      +12     

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[zhaolixin7]

@Jocs 粘贴后行间距未保留预期应该也要支持的？

[yuhongz]

Excellent!
I will modify the SHEET part of Univer, taking inspiration from your implementation.