Custom Start menu button cut in half and off-center

[AnnaPanda25]

Describe the bug

As title says, if I try to use a custom start menu button, it gets cut in half

Area of issue

Start menu

To reproduce

1. Open 'Shell Menu Settings'
2. Go to 'Start Button tab'
3. Enable 'Replace Start Button'
4. Select 'Custom Button'
5. Press OK
6. done

Expected behavior

Not being cut off

Open-Shell version

4.4.196

Windows version

Windows 11 24H2

Additional context

Edit:
The default icons work flawlessly:

[ge0rdi]

Have you seen Custom Start Button section in help?
The image has to contain three button states.

My guess is that yours doesn't (you can attach it here).

[AnnaPanda25]

Oh yeah, that fixes it. Thanks very much