fix(module:auto-complete,drawer): cannot reopen when reuse route snapshots

[hsuanxyz]

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
[x] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: #5142

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 #5165 into master will increase coverage by 0.00%.
The diff coverage is 72.72%.

@@           Coverage Diff           @@
##           master    #5165   +/-   ##
=======================================
  Coverage   91.34%   91.34%           
=======================================
  Files         548      548           
  Lines       13870    13878    +8     
  Branches     2093     2093           
=======================================
+ Hits        12669    12677    +8     
- Misses        708      710    +2     
+ Partials      493      491    -2     

Impacted Files	Coverage Δ
components/core/config/config.ts	100.00% <ø> (ø)
components/drawer/drawer.component.ts	97.82% <50.00%> (+0.04%)	⬆️
...ts/auto-complete/autocomplete-trigger.directive.ts	95.95% <100.00%> (+0.09%)	⬆️

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[wzhudev]

LGTM