fix(pagination): add cdr check while page index change

[PeterChen1997]

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?

Can't trigger page index change while the nzPageIndexChange is not set due to the Zone refresh strategy

Issue Number: 6661
#6661

What is the new behavior?

Trigger change after emit the output function

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 #6780 (3ce8abd) into master (923f14e) will decrease coverage by 0.14%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #6780      +/-   ##
==========================================
- Coverage   89.70%   89.56%   -0.15%     
==========================================
  Files         486      488       +2     
  Lines       15757    15778      +21     
  Branches     2564     2568       +4     
==========================================
- Hits        14135    14131       -4     
- Misses        980     1005      +25     
  Partials      642      642              

Impacted Files	Coverage Δ
components/pagination/pagination.component.ts	98.80% <100.00%> (+0.02%)	⬆️
components/table/src/table/tr-measure.component.ts	86.95% <0.00%> (-13.05%)	⬇️
components/table/src/table/tbody.component.ts	88.88% <0.00%> (-11.12%)	⬇️
components/core/config/config.service.ts	91.17% <0.00%> (-5.89%)	⬇️
...onents/table/src/addon/filter-trigger.component.ts	40.90% <0.00%> (-2.57%)	⬇️
components/tabs/tab-nav-bar.component.ts	81.62% <0.00%> (-1.42%)	⬇️
components/select/select.component.ts	87.22% <0.00%> (-0.05%)	⬇️
components/select/option.component.ts	100.00% <0.00%> (ø)
...s/core/resize-observers/resize-observers.module.ts
.../core/resize-observers/resize-observers.service.ts
... and 5 more

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[PeterChen1997]

https://stackblitz.com/edit/angular-kwvf1t

[hsuanxyz]

Hi, @PeterChen1997 感谢你的贡献，虽然这里的 markForCheck() 在这里没有其它副作用，但是我觉得在 L:150 行调用意图更明显一点。

Promise.resolve().then(() => {
  this.onPageIndexChange(lastIndex);
  this.cdr.markForCheck();
});

[hsuanxyz]

LGTM