fix(module:icon): fix icon miss in components

[vthinkxie]

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
[x] No

Other information

[wzhudev]

NzIconModule should be imported into NzLayoutModule, which I am going to fix already fixed in #2325. May result in conflict.

[codecov]

Codecov Report

Merging #2321 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2321      +/-   ##
==========================================
+ Coverage   95.85%   95.85%   +<.01%     
==========================================
  Files         485      485              
  Lines       12213    12215       +2     
  Branches     1646     1647       +1     
==========================================
+ Hits        11707    11709       +2     
  Misses        148      148              
  Partials      358      358

Impacted Files	Coverage Δ
components/menu/demo/inline-collapsed.ts	83.33% <ø> (ø)	⬆️
components/layout/demo/custom-trigger.ts	100% <ø> (ø)	⬆️
components/dropdown/nz-dropdown.directive.ts	100% <100%> (ø)	⬆️
components/popover/nz-popover.component.ts	100% <100%> (ø)	⬆️
components/select/nz-option-li.component.ts	100% <100%> (ø)	⬆️

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