Page tree doesn't keep entries expanded after accessing a level 3 page

Steps to reproduce:

1. Create a new space

2. Create page structure like this:

3. Go to Scroll Add-ons → Advanced Settings → enable Duplicate Page titles

4. Go to the home page of the space → expand all pages → click on Level 3

Expected result:
After page reload all pages in the tree are expanded

Actual result:
After page reload all pages in the tree are collapsed

Workaround:
Disable Duplicate Pagetitle feature