MacosCheckbox in dark mode is difficult to see

[davidskelly]

Hello!

I've found the MacosCheckbox in dark mode has too little contrast which makes it difficult to see and/or difficult to tell there is even a checkbox there.

Current dark mode:

The native system checkbox dark mode has some shading which causes it to stand out more:

MacosCheckbox in light mode has a border:

But that border is removed in dark mode. And the color can't be changed.

My suggestion would be to put the border back (1px) for dark mode, or some other solution that would allow more contrast, eg: