Can't edit Products into Discounts

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 7.3
• Fix Version/s: 7.3, Master, 7.3.X
• Component/s: Digital Merchandise Management → Discounts
• Labels:
  • liferay-fixpack-dxp-1-7310
• Severity of Issue: Critical
• Git Pull Request: https://github.com/liferay-frontend/liferay-portal/pull/370
• Sprint: FlexSprint13

Steps to Reproduce

• Go to Control Panel → Commerce → Pricing.
• Go to Discounts.
• Create a new Discount with Type → Percentage and Apply to → Products.
• In Discount details add a new product.
• After that try to edit

Expected Result

 The redirect is done on the correct page.

Actual Result

 You will be redirect on the Add Product page with all fields empty (no log or console errors):

If you try to write something into the fields and save you will receive this log errors → ERROR1.txt