fix(module:transfer): submit behavior for button inside form

[volvachev]

Fixes #7410.

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?

Inside the form, the transfer component is triggered by moving to the right/left on the enter command.

Issue Number: #7410

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

[zorro-bot]

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[codecov]

Codecov Report

Merging #7413 (7f68529) into master (f09ba57) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #7413      +/-   ##
==========================================
+ Coverage   91.61%   91.62%   +0.01%     
==========================================
  Files         487      487              
  Lines       16043    16043              
  Branches     2610     2610              
==========================================
+ Hits        14698    14700       +2     
+ Misses       1031     1029       -2     
  Partials      314      314              

Impacted Files	Coverage Δ
components/transfer/transfer.component.ts	93.27% <ø> (ø)
components/tabs/tab-nav-bar.component.ts	87.23% <0.00%> (+0.70%)	⬆️

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[volvachev]

@wenqi73, Hi could you do a review of the pull request?

[wenqi73]

LGTM