feat(module:notification): popup order adjustment

[OriginRing]

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?

[ ] Bugfix
[x] 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
[x] No

Other information

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 91.62%. Comparing base (9744740) to head (13fe982).
Report is 4 commits behind head on master.

Files	Patch %	Lines
...s/notification/notification-container.component.ts	71.42%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8450      +/-   ##
==========================================
+ Coverage   91.61%   91.62%   +0.01%     
==========================================
  Files         530      530              
  Lines       18391    18390       -1     
  Branches     2815     2815              
==========================================
+ Hits        16849    16850       +1     
+ Misses       1225     1224       -1     
+ Partials      317      316       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[HyperLife1119]

LGTM

[Laffery]

@OriginRing LGTM too, 关注下 codecov 覆盖率的变化