Buyers and Guests don't have permissions to add item to cart

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 7.4.2 CE GA3
• Fix Version/s: 7.4.3 CE GA4
• Component/s: Shopping Experience
• Labels:
  • 7.4-blocker
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/108760

Steps to reproduce:

1. Create a site using Speedwell
2. Log out
3. Navigate to the Speedwell site as a guest user
4. Add a product to cart

Expected Behavior:

 Product is added to cart and cart is updated.

Actual Behavior:

 Product is not added to cart.