fix: end should not exceed len

[zombieJ]

max end should be data.length - 1

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
virtual-list	❌ Failed (Inspect)			Aug 22, 2023 5:59am

[codecov]

Codecov Report

Merging #224 (a960d6c) into master (282f9b6) will not change coverage.
The diff coverage is 100.00%.

❗ Current head a960d6c differs from pull request most recent head 2c11ebd. Consider uploading reports for the commit 2c11ebd to get more accurate results

@@           Coverage Diff           @@
##           master     #224   +/-   ##
=======================================
  Coverage   99.50%   99.50%           
=======================================
  Files          17       17           
  Lines         603      603           
  Branches      125      125           
=======================================
  Hits          600      600           
  Misses          3        3           

Files Changed	Coverage Δ
src/List.tsx	99.46% <100.00%> (ø)

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[afc163]

原始问题是啥

[zombieJ]

原始问题是啥

就是测试用例的那个 extraRender 里的 info 发现 end 超出 data.length 了。

在 rc-table 里取 dataSource[end] 空对象报错，回来发现的。