croe: imporve dataIndex type

[alpacachen]

ant-design/ant-design#27997

[vercel]

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[alpacachen]

有个问题想要请教一下，context使用泛型是否有意义？

[codecov]

Codecov Report

Merging #717 (0f23396) into master (dc08f13) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #717   +/-   ##
=======================================
  Coverage   99.68%   99.68%           
=======================================
  Files          33       33           
  Lines         958      958           
  Branches      290      277   -13     
=======================================
  Hits          955      955           
  Misses          3        3           

Impacted Files	Coverage Δ
src/Cell/index.tsx	98.95% <ø> (ø)
src/FixedHolder/index.tsx	100.00% <100.00%> (ø)
src/context/BodyContext.tsx	100.00% <100.00%> (ø)
src/utils/valueUtil.tsx	100.00% <100.00%> (ø)

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[alpacachen]

@zombieJ 请帮忙cr一下，看了下历史issue，感觉还挺多人需要这个的