Switching to page scope on control panel throws exception

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.X, Master
• Component/s: Staging
• Labels:
  • 7.1-should
  • liferay-fixpack-dxp-1-7110
• Branch Version/s:
  7.1.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/61057

Reproduction:

• Enable remote staging
• Add a widget which can be scoped, e.g. Blogs
• Config the widget -> Scope tab -> Create a new Page scope
• Go to control panel -> Content -> Select the page scope
• Navigate to Web Content

Actual:
Exception on console
Stack trace

master 50b613be9