fix(module:carousel): fix carousel under rtl

[wzhudev]

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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
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[ ] 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]

@hsuanxyz 我看了一下 React 版本，carousel 的滚动方向还是不变的，这里好像不太需要改 transform strategy

[zorro-bot]

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[codecov]

Codecov Report

Merging #6336 (f65d974) into master (4711194) will decrease coverage by 0.03%.
The diff coverage is 57.14%.

@@            Coverage Diff             @@
##           master    #6336      +/-   ##
==========================================
- Coverage   89.92%   89.88%   -0.04%     
==========================================
  Files         478      478              
  Lines       15250    15261      +11     
  Branches     2318     2320       +2     
==========================================
+ Hits        13713    13718       +5     
- Misses        924      928       +4     
- Partials      613      615       +2     

Impacted Files	Coverage Δ
components/carousel/carousel.component.ts	89.24% <40.00%> (-3.38%)	⬇️
components/carousel/strategies/base-strategy.ts	83.87% <100.00%> (+0.53%)	⬆️
...mponents/carousel/strategies/transform-strategy.ts	90.00% <100.00%> (+0.11%)	⬆️

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[hsuanxyz]

@hsuanxyz 我看了一下 React 版本，carousel 的滚动方向还是不变的，这里好像不太需要改 transform strategy

问题就是 React 的动画 ltr，但是下面的导航条是 rtl。可以参考一下

RTL Demo | Owl Carousel | 2.3.4
Carousel

[hsuanxyz]

@wendellhu95 还有一个问题是 React 在使用手势时和点击导航条的方向是反的

[hsuanxyz]

LGTM, 先这样和 React 保持一致吧，免得样式同步起来麻烦