fix: backspace in header and footer

[Jocs]

close #xxx

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).

[codecov]

Codecov Report

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

Project coverage is 26.50%. Comparing base (14f1f3b) to head (59c1bef).

Files	Patch %	Lines
...s/docs/src/commands/commands/break-line.command.ts	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              dev    #2704   +/-   ##
=======================================
  Coverage   26.50%   26.50%           
=======================================
  Files        1668     1668           
  Lines       89476    89476           
  Branches    18852    18852           
=======================================
  Hits        23719    23719           
  Misses      65757    65757           

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