fix(module:select): the ESC keydown event not handled correctly

[hsuanxyz]

close #5965

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?

[x] 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?

Issue Number: #5965

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #5973 into master will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #5973      +/-   ##
==========================================
+ Coverage   89.96%   89.99%   +0.02%     
==========================================
  Files         465      465              
  Lines       14047    14049       +2     
  Branches     2311     2312       +1     
==========================================
+ Hits        12637    12643       +6     
- Misses        859      860       +1     
+ Partials      551      546       -5     

Impacted Files	Coverage Δ
components/select/select.component.ts	87.54% <100.00%> (+0.42%)	⬆️
components/table/src/table/tbody.component.ts	85.71% <0.00%> (-14.29%)	⬇️
components/table/src/table/tr-measure.component.ts	86.36% <0.00%> (-13.64%)	⬇️
components/time-picker/time-holder.ts	95.78% <0.00%> (+1.05%)	⬆️
components/tabs/tab-nav-bar.component.ts	83.03% <0.00%> (+1.41%)	⬆️
components/table/src/table-style.service.ts	96.55% <0.00%> (+1.72%)	⬆️
components/core/util/text-measure.ts	91.30% <0.00%> (+1.73%)	⬆️

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