Steps to reproduce:
- Start a 7.1.10-ga1 bundle
- Create a new site
- Create public page "Parent"
- Create three children pages ("child1", "child2" and "child3")
- Go to "child1"
- Add navigation portlet to the page
- Go to the portlet's configuration
- Set 'Start with Menu Items In' to Level 1
Expected behavior: 'Child1', 'Child2', 'Child3' pages are visible in the portlet
Actual behavior: 'Parent' page is visible in the portlet