Remove Commerce Product dependency from Commerce Cart and Commerce Checkout

@jsacksick there are cross-dependencies that make it impossible not to install product.

The idea is to be able to use a custom purchasable entity and an add-to-cart different from the one provided by core.

The alternative would be to create an alternative cart contrib without these dependencies.

Do you think it would be possible to introduce these changes or would you prefer to create a contrib module?

I'm not sure why you're setting this task to "needs review"... As far as I can see, the patch submitted has 42 failing tests in case you haven't noticed.

@jsacksick, I've fixed the tests, the errors in D10 are not related to these changes: https://www.drupal.org/pift-ci-job/2746156 → .

"3.0.x-dev test with PHP 8.1 & MySQL 5.7, Drupal 10.1.x" is failing since "2 Jan 2023 at 16:32 CET"

@facine: Thank you! For some reason when applying the patch, the config files weren't properly moved to the optional directory.
Had to spend time fixing other test failures to make sure this didn't introduce a regression, but tests are green! Good job :).

Automatically closed - issue fixed for 2 weeks with no activity.