fix(comp:table): scrollbar hides when not vertically overflowed

[sallerli1]

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our guidelines
• [x] Tests for the changes have been added/updated or not needed
• [x] Docs and demo have been added/updated or not needed

What is the current behavior?

竖向内容不需要滚动时，仍然存在竖向滚动条

What is the new behavior?

修复以上问题

Other information

无论是否是虚拟滚动，只有在各自方向有内容溢出才展示滚动条

[idux-bot[bot]]

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[codecov[bot]]

Codecov Report

Merging #1246 (d8bd7ef) into main (99e4ddd) will decrease coverage by 0.14%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1246      +/-   ##
==========================================
- Coverage   93.05%   92.90%   -0.15%     
==========================================
  Files         320      320              
  Lines       29469    29469              
  Branches     3344     3337       -7     
==========================================
- Hits        27422    27379      -43     
- Misses       2047     2090      +43     

Impacted Files	Coverage Δ
packages/cdk/scroll/src/utils.ts	52.63% <0.00%> (-28.29%)	:arrow_down:

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[danranVm]

@sallerli1 rebase 一下，然后解决一下 test