fix(module:tag): missing styles on view engine

[hsuanxyz]

fix #6732

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: #6732

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 #6738 (df848d0) into master (7199ad5) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head df848d0 differs from pull request most recent head 5606e0d. Consider uploading reports for the commit 5606e0d to get more accurate results

@@            Coverage Diff             @@
##           master    #6738      +/-   ##
==========================================
- Coverage   89.89%   89.88%   -0.02%     
==========================================
  Files         480      480              
  Lines       15371    15390      +19     
  Branches     2491     2492       +1     
==========================================
+ Hits        13818    13833      +15     
- Misses        934      937       +3     
- Partials      619      620       +1     

Impacted Files	Coverage Δ
components/core/color/color.ts	100.00% <100.00%> (ø)
components/tag/tag.component.ts	100.00% <100.00%> (ø)
components/tabs/tab-nav-bar.component.ts	81.69% <0.00%> (-1.41%)	⬇️

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