Implement FriendlyURL for the checkout portlet

• Type: Story
• Status: Ready for QA
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: None
• Fix Version/s: 7.4 CE GA1, Master
• Component/s: Product Information Management
• Labels:
  • backend
• Business Value (single choice): 1
• Story Points: 8
• Git Pull Request: https://github.com/liferay-commerce/liferay-portal/pull/224

In order to avoid long URLs when a payment method is active, we defined a pattern for the checkout portlet URL: /{checkoutStepName}/{commerceOrderUuid}