fix(module:grid): fix grid responsive

[vthinkxie]

close #2908

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

[netlify]

Deploy preview for ng-zorro-master ready!

Built with commit 048cc65

https://deploy-preview-2915--ng-zorro-master.netlify.com

[codecov]

Codecov Report

Merging #2915 into master will decrease coverage by <.01%.
The diff coverage is 99.14%.

@@            Coverage Diff             @@
##           master    #2915      +/-   ##
==========================================
- Coverage   97.36%   97.36%   -0.01%     
==========================================
  Files         526      524       -2     
  Lines       11041    11040       -1     
  Branches      787      782       -5     
==========================================
- Hits        10750    10749       -1     
  Misses        190      190              
  Partials      101      101

Impacted Files	Coverage Δ
components/grid/nz-grid.module.ts	100% <ø> (ø)	⬆️
components/grid/nz-col.directive.ts	100% <100%> (ø)	⬆️
components/form/nz-form-control.component.ts	100% <100%> (ø)	⬆️
components/form/nz-form-label.component.ts	100% <100%> (ø)	⬆️
components/form/nz-form-item.component.ts	100% <100%> (ø)	⬆️
components/grid/nz-row.directive.ts	98.27% <98.11%> (-1.73%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6dd3cbf...048cc65. Read the comment docs.