Order workflow assignment dropdown not working

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 7.3
• Fix Version/s: 7.3, 7.3.X
• Component/s: Digital Store Management → Orders
• Labels:
  • 7.3-should
  • liferay-fixpack-dxp-1-7310
• Severity of Issue: Major
• Git Pull Request: https://github.com/liferay-commerce/liferay-portal/pull/188

Assumptions

1. At least one channel, account, catalog and products
2. At least one order in the Pending status
3. The channel that the order is in has the Seller Order Acceptance Workflow enabled
4. The Seller Order Acceptance Workflow status is Pending
5. Logged in as an omni admin

Steps to Reproduce

1. View the order in Commerce → Orders
2. Click on the "Assigned to: Nobody" dropdown

Expected Result

 Dropdown opens and you can select an assignment

Actual Result

 Dropdown does not open and no error is thrown