Is there an existing issue for this?

• I have searched the existing issues

Description of the Issue

When moving to top or bottom border/edge of Find & Replace dialog vertical resize arrows will appear.
This should not happen since dialog is resizable only horizontally.

Steps To Reproduce

1. Open Find & Replace dialog
2. Move mouse to top or bottom edge of dialog
3. Try resize dialog vertically

Current Behavior

Vertical resize arrows will appear.

Expected Behavior

Vertical resize arrows should not appear.

Debug Information

Notepad++ v8.6.6 RC

Anything else?

No response