feat(module:popconfirm): add nzDanger support to cancel button

[Nicoss54]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Application (the showcase website) / infrastructure changes
• Other... Please describe:

What is the current behavior?

the close button for the pop confirm component does not support nzDanger

What is the new behavior?

the close button for the pop confirm component now support nzDanger

Does this PR introduce a breaking change?

• Yes
• No

Other information

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.11%. Comparing base (2c7c402) to head (61adce8).
Report is 10 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9270   +/-   ##
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  Coverage   92.11%   92.11%           
=======================================
  Files         561      561           
  Lines       19609    19609           
  Branches     3101     3101           
=======================================
  Hits        18062    18062           
  Misses       1207     1207           
  Partials      340      340           

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[HyperLife1119]

LGTM

[Laffery]

LGTM