Full Page Application layout type doesn't show actual configured portlet

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.X, Master
• Fix Version/s: 7.0.0 DXP FP82, 7.0.10.12 DXP SP12, 7.0.X, 7.1.0 M1, 7.1.X, Master
• Component/s: WCM
• Labels:
  • ee-ts
  • liferay-fixpack-de-82-7010
• Branch Version/s:
  7.1.x, 7.0.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/53659

Steps to reproduce:

• Create a new layout of type Full Page Application and select Message Boards to be displayed as Full Page Application portlet
• Save
• Configure the layout again

Expected result: Message Boards portlet is displayed and selected
Actual result: First entry in the drop down list is shown