Unable to select Parent Page on Page Copy

Issue Summary

The Parent Page is not bringing any page results while attempting to create a copy into another space.

Steps to Reproduce

1. Create the following spaces/pages:

   SpaceA
   TestPage1 > ChildTestPage1

   SpaceB
   Homepage
   AnotherPage

2. Now, try to Copy TestPage1 (and its child) to SpaceB with Parent Page as AnotherPage.

Expected Results

The field Parent Page should show a list of all possible pages for selection.
OR
The field Parent Page should allow users to find the desired pages by typing the page title.

Actual Results

No pages are showing.

Workaround

Create the copies by using the homepage or no parent and then, with the Move option, use the Browse pages function to find the page in question in the sidebar.