perf(module:select): do not run change detection on events if the nz-option-item is disabled

[arturovt]

PR Checklist

• 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

[x] Refactoring (no functional changes, no api changes)

Does this PR introduce a breaking change?

[ ] Yes
[x] No

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #7133 (9d590c4) into master (c177558) will decrease coverage by 1.93%.
The diff coverage is 83.33%.

❗ Current head 9d590c4 differs from pull request most recent head 681f4dc. Consider uploading reports for the commit 681f4dc to get more accurate results

@@            Coverage Diff             @@
##           master    #7133      +/-   ##
==========================================
- Coverage   91.67%   89.74%   -1.94%     
==========================================
  Files         486      488       +2     
  Lines       15868    15941      +73     
  Branches     2587     2579       -8     
==========================================
- Hits        14547    14306     -241     
+ Misses       1007     1002       -5     
- Partials      314      633     +319     

Impacted Files	Coverage Δ
components/select/option-item.component.ts	93.93% <83.33%> (-6.07%)	⬇️
components/core/util/observable.ts	33.33% <0.00%> (-33.34%)	⬇️
components/core/util/getMentions.ts	66.66% <0.00%> (-16.67%)	⬇️
components/core/polyfill/request-animation.ts	33.33% <0.00%> (-14.82%)	⬇️
...nts/cdk/resize-observer/resize-observer.service.ts	73.68% <0.00%> (-13.16%)	⬇️
components/pipes/nz-ellipsis.pipe.ts	62.50% <0.00%> (-12.50%)	⬇️
components/resizable/resize-handles.component.ts	87.50% <0.00%> (-12.50%)	⬇️
components/core/util/scroll-into-view-if-needed.ts	62.50% <0.00%> (-12.50%)	⬇️
components/mention/mention.service.ts	90.00% <0.00%> (-10.00%)	⬇️
...nts/table/src/addon/row-expand-button.directive.ts	90.00% <0.00%> (-10.00%)	⬇️
... and 158 more

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[simplejason]

LGTM