refactor: Move Select logic out of BaseSelect

[zombieJ]

将 Select 剥离为 Select 和 BaseSelect，其中 BaseSelect 仅做 Selector 和 SelectTrigger 相关逻辑。options 处理逻辑移至 Select 中。

[vercel]

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🔍 Inspect: https://vercel.com/react-component/select/6M2fg2kW6yWK6y26kDbKQATFQsv1
✅ Preview: https://select-git-base-select-react-component.vercel.app

[codecov]

Codecov Report

Merging #685 (d221dc3) into master (1dab511) will increase coverage by 0.38%.
The diff coverage is 100.00%.

❗ Current head d221dc3 differs from pull request most recent head 71ca0cd. Consider uploading reports for the commit 71ca0cd to get more accurate results

@@            Coverage Diff             @@
##           master     #685      +/-   ##
==========================================
+ Coverage   99.11%   99.49%   +0.38%     
==========================================
  Files          20       24       +4     
  Lines        1017      996      -21     
  Branches      345      316      -29     
==========================================
- Hits         1008      991      -17     
+ Misses          8        4       -4     
  Partials        1        1              

Impacted Files	Coverage Δ
src/SelectTrigger.tsx	100.00% <ø> (ø)
src/Selector/Input.tsx	100.00% <ø> (ø)
src/Selector/SingleSelector.tsx	100.00% <ø> (ø)
src/TransBtn.tsx	84.61% <ø> (ø)
src/utils/commonUtil.ts	100.00% <ø> (ø)
src/BaseSelect.tsx	100.00% <100.00%> (ø)
src/OptionList.tsx	99.29% <100.00%> (+0.03%)	⬆️
src/Select.tsx	100.00% <100.00%> (ø)
src/SelectContext.ts	100.00% <100.00%> (ø)
src/Selector/MultipleSelector.tsx	100.00% <100.00%> (ø)
... and 11 more

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