Preconditions:

• Added Product type
• Added products based on Product Type
• Added Product variant based on the same Product Type (attributes are set to required and used for product variants).

Steps to reproduce

1. Go to /product-catalog page in storefront
2. Verify products.

Actual result:

Buttons for all standard products in storefront are changed from 'Add to cart' to 'View details'.

Expected result:

Proper buttons for standard products are displayed.