Duplicate page in Navigation Menu after importing site

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, Master
• Fix Version/s: 7.1.X, Master
• Component/s: ~[Archived] WCM > Navigation
• Labels:
  • STAB_TST_JA
  • STAB_TST_JA_MUST
  • liferay-fixpack-dxp-2-7110
• Branch Version/s:
  7.1.x
• Backported to Branch:
  Committed
• Story Points: 0.25
• Fix Priority: 4
• Last Working Version:
  7.1.0 CE GA1
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/62278

Steps to Reproduce:

1. Add site1 with one page.
2. Export site1.
3. Delete site1.
4. Add site2.
5. Import site1 into site2.
6. Go to site2.

Expected Results:
There should be only one page in Navigation Menu.

Actual Results:
Duplicate page displays in Navigation Menu of site2.