Steps to reproduce:

1. Log in to storefront.
2. Add product to cart with price 10
3. Log in to back office.
4. Change product price to e.g 10.06
5. Save the product.
6. Refresh /cart page

Actual result:

See attached screenshots.

Updating product price value does not affect to product status in the cart - product is not grayed out.

Expected result:

Product is greyed out.

Note:
Issue related with PRs:
https://github.com/ibexa/cart/pull/42
https://github.com/ibexa/checkout/pull/44

Note 2:
Updating other product informations e.g Description or Name works good (product is greyed out in the cart).