feat(tooltip): set placement by mouse

[Hoofoo-WHU]

🤔 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

#785

💡 需求背景和解决方案

📝 更新日志

• feat(tooltip): placement 新增 mouse 枚举值，用于支持基于鼠标位置定位

• 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

❌ Patch coverage is 29.41176% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.40%. Comparing base (a0db0df) to head (44c5340).
⚠️ Report is 1547 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/tooltip/tooltip.tsx	33.33%	9 Missing and 1 partial ⚠️
src/popup/props.ts	0.00%	1 Missing ⚠️
src/tooltip/props.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #843      +/-   ##
===========================================
+ Coverage    57.56%   61.40%   +3.84%     
===========================================
  Files          346      355       +9     
  Lines        12828    13449     +621     
  Branches      2405     2552     +147     
===========================================
+ Hits          7384     8259     +875     
+ Misses        5200     4931     -269     
- Partials       244      259      +15     

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