Fix multi-cart association and add some temporary multi-cart support into the current front end.
Show line items for each order in multi-cart.
Make sure angular injections work after magnification.
When adding a variant to a cart, split into multiple orders depending on the distributors that it contains.
Support multiple orders when adding a product to a cart.
Define class used in migration.
Ensure line items only get created in correct orders when adding a product to a cart.