chore: adopt prettier code formatter

[wzhudev]

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
[x] 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?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[netlify]

Deploy preview for ng-zorro-master ready!

Built with commit e4838b1

https://deploy-preview-3129--ng-zorro-master.netlify.com

[codecov]

Codecov Report

Merging #3129 into master will decrease coverage by 0.04%.
The diff coverage is 95.49%.

@@            Coverage Diff            @@
##           master   #3129      +/-   ##
=========================================
- Coverage   97.34%   97.3%   -0.05%     
=========================================
  Files         550     550              
  Lines       11528   11539      +11     
  Branches      826     826              
=========================================
+ Hits        11222   11228       +6     
- Misses        197     201       +4     
- Partials      109     110       +1

Impacted Files	Coverage Δ
components/comment/demo/list.ts	100% <ø> (ø)	⬆️
components/icon/nz-icon-test.module.ts	100% <ø> (ø)	⬆️
...uto-complete/nz-autocomplete-optgroup.component.ts	100% <ø> (ø)	⬆️
components/form/nz-form-extra.component.ts	60% <ø> (ø)	⬆️
components/alert/nz-alert.component.ts	97.61% <ø> (ø)	⬆️
components/card/nz-card-tab.component.ts	100% <ø> (ø)	⬆️
components/card/demo/tabs.ts	100% <ø> (ø)	⬆️
components/form/nz-form-explain.component.ts	100% <ø> (ø)	⬆️
components/card/demo/grid-card.ts	100% <ø> (ø)	⬆️
components/drawer/nz-drawer-ref.ts	100% <ø> (ø)	⬆️
... and 249 more

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