Update search method and more menu pop-up interaction and fixed display position

[Temacc0531]

Is there an existing issue for this?

• I have searched the existing issues

Can the issue be reproduced with the default theme (daylight/midnight)?

• I was able to reproduce the issue with the default theme

Could the issue be due to extensions?

• I've ruled out the possibility that the extension is causing the problem.

Describe the problem

关联#6783、#7036

之前修改遗漏了搜索界面的【搜索方式】【更多】按钮

建议弹窗交互形式与主界面顶栏按钮保持统一

• 固定弹出位置
• 点击弹出，再次点击或点击其他区域关闭

Expected result

如上

Screenshot or screen recording presentation

No response

Version environment

- Version: v2.9.3
- Operating System: Windows 10/11

Log file

无

More information

No response