fix: show selected parent whose children were all disabled

[MadCcc]

close ant-design/ant-design#33493

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[codecov]

Codecov Report

Merging #395 (e67be80) into master (b0a5b4e) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #395   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           14        14           
  Lines          463       462    -1     
  Branches       123       123           
=========================================
- Hits           463       462    -1     

Impacted Files	Coverage Δ
src/utils/strategyUtil.ts	100.00% <100.00%> (ø)

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[MadCcc]

去掉了导致 issue 中提到问题的逻辑，但似乎这段代码已经很久远了，不知道这样处理有没有问题，test 姑且都通过了
@afc163 @zombieJ

[afc163]

先对比一下 4.17.x 和 4.18.0 的依赖代码，看看是什么改动导致了升级后行为不一致。

[MadCcc]

对比了一下 4.17.x 的代码，rc-tree-select 用的是 4.8.0，与 5.0 alpha 版本差别较大。
整个 strategyUtil.ts 的用处不一样了，4.8.0 在选择时没有触发这边的逻辑，所以才没有问题。5.0 alpha 在显示已选中的选项时会利用这边的逻辑筛选应该显示的内容，检查了一下应该没有问题。