fix(module:select): title not display

[wenqi73]

close #5281

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: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[ ] No

Other information

[codecov]

Codecov Report

Merging #5978 into master will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5978      +/-   ##
==========================================
+ Coverage   89.92%   89.96%   +0.04%     
==========================================
  Files         465      465              
  Lines       14044    14046       +2     
  Branches     2308     2308              
==========================================
+ Hits        12629    12637       +8     
+ Misses        867      862       -5     
+ Partials      548      547       -1     

Impacted Files	Coverage Δ
components/select/option-item.component.ts	92.59% <ø> (ø)
components/select/select-top-control.component.ts	88.88% <ø> (ø)
components/upload/upload.component.ts	98.29% <0.00%> (+0.02%)	⬆️
components/tabs/tab-nav-bar.component.ts	82.33% <0.00%> (+0.70%)	⬆️
components/table/src/table-data.service.ts	84.61% <0.00%> (+6.15%)	⬆️

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