feat(module:auto-complete,mention,select,tree-select): prevent loss of focus when the options click

[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: #2448

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

https://github.com/react-component/select/blob/master/src/Select.tsx#L1356

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[codecov]

Codecov Report

Merging #2979 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2979   +/-   ##
=======================================
  Coverage   97.38%   97.38%           
=======================================
  Files         548      548           
  Lines       11378    11378           
  Branches      812      812           
=======================================
  Hits        11081    11081           
  Misses        187      187           
  Partials      110      110

Impacted Files	Coverage Δ
.../auto-complete/nz-autocomplete-option.component.ts	97.61% <ø> (ø)	⬆️
components/drawer/nz-drawer-ref.ts	100% <ø> (ø)	⬆️
components/tree/nz-tree-node.component.ts	99.02% <ø> (ø)	⬆️
components/select/nz-option-li.component.ts	100% <ø> (ø)	⬆️

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