Site Pages: Child page duplicates when created

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE RC2
• Fix Version/s: 6.2.0 CE RC3
• Component/s: ~ [Archived] Frontend Infrastructure
• Labels: None
• Environment: Tomcat 7.0 + MySQL 5. Portal GIT ID: 5cc31029edb03b5fa01433d61f308aa6a9a2ebfa
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/14245

Steps to reproduce:

1. Create a site
2. Add a page to a site
3. Add a child page to the tree

Expected result:
User should not see duplicate child pages.

Actual result:
Child page gets duplicate when created. See the attachment.