This will allow Windows GPUI applications that utilise the native title
bar to support the dark mode variant when the system user has dark mode
enabled in their system settings. [Related Win32
information](https://learn.microsoft.com/en-us/windows/apps/desktop/modernize/ui/apply-windows-themes)

| Before  | After |
| ------------- | ------------- |
|
![image](https://github.com/user-attachments/assets/50f3d131-8f41-4b91-8012-f8120b150033)
|
![image](https://github.com/user-attachments/assets/a36a6c6b-a469-49ba-85a8-9b55db9ea20f)
|

Release Notes:

- N/A

---------

Co-authored-by: 张小白 <364772080@qq.com>