fix(docs): delete paragraph break in table cell

[Jocs]

close https://github.com/dream-num/univer-pro/issues/2032

Pull Request Checklist

• Related tickets or issues have been linked in the PR description (or missing issue).
• Naming convention is followed (do please check it especially when you created new plugins, commands and resources).
• Unit tests have been added for the changes (if applicable).
• Breaking changes have been documented (or no breaking changes introduced in this PR).

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 27.48%. Comparing base (c5ce261) to head (051d6ed).
Report is 5 commits behind head on dev.

Files	Patch %	Lines
...kages/docs/src/commands/commands/delete.command.ts	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              dev    #3077   +/-   ##
=======================================
  Coverage   27.48%   27.48%           
=======================================
  Files        1979     1979           
  Lines      104700   104700           
  Branches    22595    22595           
=======================================
+ Hits        28774    28780    +6     
+ Misses      75926    75920    -6     

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