CommerceAccountHelper should retrieve accountGroupIds from the new portal accountGroupRel table instead of commerceAccountGroup

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4 DXP U4
• Component/s: Order Management
• Labels: None
• Severity of Issue: Critical
• Story Points: 1
• Git Pull Request: https://github.com/liferay-commerce/liferay-portal/pull/1669
• Sprint: OM Sprint 1

The CommerceAccountHelper is still retrieving the list of accountGroups related to an account using the commerceAccountGroup table which is not filled when using the accountGroup portlet in portal.

We should update the helper to use the correct table