feat(module:drawer): support pressing ESC to close drawer

[hsuanxyz]

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
[x] 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?

Issue Number: ant-design/ant-design#16694

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

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Built with commit 5adf062

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[codecov]

Codecov Report

Merging #3488 into master will increase coverage by 0.08%.
The diff coverage is 93.33%.

@@            Coverage Diff             @@
##           master    #3488      +/-   ##
==========================================
+ Coverage    95.6%   95.69%   +0.08%     
==========================================
  Files         609      682      +73     
  Lines       13250    13572     +322     
  Branches     1810     1811       +1     
==========================================
+ Hits        12668    12988     +320     
- Misses        197      198       +1     
- Partials      385      386       +1

Impacted Files	Coverage Δ
components/drawer/nz-drawer.component.ts	96.51% <93.33%> (-0.48%)	⬇️
components/anchor/index.ts	100% <0%> (ø)
components/rate/index.ts	100% <0%> (ø)
components/ng-zorro-antd.module.ts	99.2% <0%> (ø)
components/upload/public-api.ts	100% <0%> (ø)
components/back-top/public-api.ts	100% <0%> (ø)
components/layout/public-api.ts	100% <0%> (ø)
components/table/public-api.ts	100% <0%> (ø)
components/upload/index.ts	100% <0%> (ø)
components/badge/index.ts	100% <0%> (ø)
... and 64 more

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