refactor: rm showArrow prop

[MuxinFeng]

https://github.com/ant-design/ant-design/issues/43224

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Name	Status	Preview	Comments	Updated (UTC)
select	❌ Failed (Inspect)			Jul 13, 2023 7:45am

[MuxinFeng]

还需要再调整下~

[codecov[bot]]

Codecov Report

Merging #956 (7d30cd9) into master (53bf823) will increase coverage by 0.14%. The diff coverage is 100.00%.

:exclamation: Current head 7d30cd9 differs from pull request most recent head bc4f222. Consider uploading reports for the commit bc4f222 to get more accurate results

@@            Coverage Diff             @@
##           master     #956      +/-   ##
==========================================
+ Coverage   99.63%   99.77%   +0.14%     
==========================================
  Files          37       37              
  Lines        1356     1356              
  Branches      393      369      -24     
==========================================
+ Hits         1351     1353       +2     
+ Misses          4        3       -1     
+ Partials        1        0       -1     

Impacted Files	Coverage Δ
src/BaseSelect.tsx	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[afc163]

这是准备做 break change 么？

[MuxinFeng]

这是准备做 break change 么？

是的，打算将 arrow-icon 做成 suffixIcon 的一个默认值

[afc163]

ci 挂了

[MuxinFeng]

ci 挂了

这个还需要再调整一下哈，antd 那边改的快照太多了

[yoyo837]

4.x修不修

[MuxinFeng]

4.x修不修

4.x 在文档说明下吧，这次的改动算是 feature 了，而且涉及 tree-select、cascader，改动比较多。