floating panel with many panels, the dropdown menu cannot be clicked

[zengyumei]

Describe the bug
In the floating panel, when there are many panels, the dropdown menu cannot be clicked

Expected behavior
The dropdown menu should be clickable

Screenshots
https://github.com/user-attachments/assets/a211977f-fff6-43a9-9fdb-2b4ba57378e0

Desktop (please complete the following information):

• Browser：Chrome
• Version：135

Additional context
Add any other context about the problem here.

[mathuo]

Fixed in 4.2.4