feat(module:modal): support customized modal config (current "autoBod…

[wilsoncook]

…yPadding")

close #1720

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: #1720

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[codecov]

Codecov Report

Merging #2006 into master will decrease coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2006      +/-   ##
==========================================
- Coverage   96.03%   96.01%   -0.02%     
==========================================
  Files         470      471       +1     
  Lines       11420    11430      +10     
  Branches     1515     1516       +1     
==========================================
+ Hits        10967    10975       +8     
- Misses        130      131       +1     
- Partials      323      324       +1

Impacted Files	Coverage Δ
components/modal/nz-modal.component.ts	96.27% <100%> (+0.1%)	⬆️
components/modal/nz-modal-config.ts	100% <100%> (ø)
components/tabs/nz-tabset.component.ts	95.72% <0%> (-0.86%)	⬇️
components/table/nz-table.component.ts	95.34% <0%> (-0.59%)	⬇️

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