fix(module:tabs): fix nzCentered not working

[stygian-desolator]

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

close #6703

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 #6706 (3dbff74) into master (f9e7d23) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #6706   +/-   ##
=======================================
  Coverage   89.92%   89.92%           
=======================================
  Files         481      481           
  Lines       15403    15403           
  Branches     2492     2492           
=======================================
  Hits        13851    13851           
- Misses        931      933    +2     
+ Partials      621      619    -2     

Impacted Files	Coverage Δ
components/table/src/table-data.service.ts	78.46% <0.00%> (-6.16%)	⬇️
components/tabs/tab-nav-bar.component.ts	83.09% <0.00%> (+0.70%)	⬆️
components/core/util/text-measure.ts	91.30% <0.00%> (+1.73%)	⬆️

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[hsuanxyz]

LGTM