perf(module: tabs&tabbar): change prerenderingSiblingsNumber to -1 by…

[fisherspy]

… default

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-mobile/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
[ ] Feature
[ ] Code style update (formatting, local variables)
[x] 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: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[codecov]

Codecov Report

Merging #407 into master will decrease coverage by <.01%.
The diff coverage is 87.5%.

@@            Coverage Diff             @@
##           master     #407      +/-   ##
==========================================
- Coverage   89.15%   89.14%   -0.01%     
==========================================
  Files         321      321              
  Lines        7082     7087       +5     
  Branches      582      582              
==========================================
+ Hits         6314     6318       +4     
- Misses        589      590       +1     
  Partials      179      179

Impacted Files	Coverage Δ
components/tab-bar/tab-bar.component.ts	76.74% <100%> (ø)	⬆️
components/tabs/tabs.component.ts	95.74% <100%> (ø)	⬆️
components/tabs/tab-pane-body.component.ts	94.11% <83.33%> (-5.89%)	⬇️

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[BronzeCui]

ok