Update list-item.d.ts

[hudianlao48]

这个变动的性质是

• [*] TypeScript 定义更新

需求背景

1. 在做TS项目引用定义文件的时候报错。
2. 检查后发现List.Item中对Meta的定义有问题。
3. 目前还没有相关的 issue 讨论链接。

实现方案和 API（非新功能可选）

1. list-item.d.ts文件第9行加上typeof即可

请求合并前的自查清单

• [ * ] 文档无须补充
• [ * ] 代码演示无须提供
• [ * ] TypeScript 定义已补充
• [ * ] Changelog 未补充

[codecov]

Codecov Report

Merging #569 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #569   +/-   ##
=======================================
  Coverage   87.22%   87.22%           
=======================================
  Files         145      145           
  Lines        4808     4808           
  Branches     1418     1418           
=======================================
  Hits         4194     4194           
  Misses        571      571           
  Partials       43       43

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[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.