Inconsistency between palettes and schemes in Material Theme (JSON) export

[yvvki]

Describe the bug
When utilizing the Material Theme (JSON) export, a color palettes will be included after the schemes table. However, these palettes does not match the color token, nor the color in the website.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://material-foundation.github.io/material-theme-builder/
2. Click on 'Pick your fonts 🡢' and 'Export theme 🡢'
3. Export as 'Material Theme (JSON)'
4. Open 'material-theme.json'

Expected behavior
The value of $.schemes.primary should be the same as $.palettes.primary['40'].

Additional details
The bug is also prevalent in the Figma community plugin

[tipa]

After I found out that the generated color roles are off (see #313), I hoped to create them by myself using the JSON palettes - but now they are wrong as well...

Edit: it appears as if the color palette in the JSON are the same, no matter if the "Color match" option is ticked or not