Clean checkbox colors so they use the material 3 palette #104446
Description
The checkbox is still using the M2 defaults (there isn't an updated M3 spec for it yet). Please file a separate issue for this and we will look into at least cleaning up the defaults here.
Even if the specs are not out yet, the defaults could be more sensible in regards to the m3 generated colors. This looks out of place currently. The contrast looks incorrect too.