fix(table): 允许在表头分割线一定范围内触发列宽调整逻辑

[ZTao-z]

🤔 这个 PR 的性质是？

• 日常 bug 修复
• 新特性提交
• 文档改进
• 演示代码改进
• 组件样式/交互改进
• CI/CD 改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他

🔗 相关 Issue

1. 鼠标hover在表头分割线上的时候也是能显示拖拽光标的

💡 需求背景和解决方案

1. 新增左侧判定距离，并调整对应列

📝 更新日志

• fix(table): 允许在表头分割线一定范围内触发列宽调整逻辑

• 本条 PR 不需要纳入 Changelog

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• Changelog 已提供或无须提供

[codecov-commenter]

Codecov Report

Merging #1378 (fc11eb5) into develop (8a9ef3a) will decrease coverage by 0.05%.
The diff coverage is 20.58%.

@@             Coverage Diff             @@
##           develop    #1378      +/-   ##
===========================================
- Coverage    61.00%   60.94%   -0.06%     
===========================================
  Files         1030     1030              
  Lines        17933    17953      +20     
  Branches      4121     4132      +11     
===========================================
+ Hits         10940    10942       +2     
- Misses        6993     7011      +18     

Impacted Files	Coverage Δ
src/config-provider/_example/global.jsx	100.00% <ø> (ø)
src/popconfirm/_example/describe.jsx	100.00% <ø> (ø)
src/table/THead.tsx	90.69% <0.00%> (-2.16%)	⬇️
src/table/hooks/useColumnResize.tsx	27.95% <5.00%> (-3.30%)	⬇️
src/upload/upload.tsx	28.17% <30.00%> (+0.57%)	⬆️
src/popup/hooks/useTrigger.tsx	84.14% <100.00%> (ø)
src/slider/Slider.tsx	92.00% <100.00%> (ø)

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