Item- list: Reloading of the list content under "For this page" folder of Media gadget is incorrect

Steps to reproduce

Precondition:
There are some items (eg: 3 items: Item1; Item2; Item3) under "For this page" folder of the Media gadget
1. Dnd 3 items above into a Project (This project contains items of only one "Forthis page" folder above)
2. Double-Click on each item to view loading of the list content under "For this page" folder
OBSERVER: Reloading of the list content under "For this page" folder of Media gadget some time loaded content of "For All Sites" folder.
Note: Please Double click Item1 then-->double click Item2-->  Item3 : you can see that:
Double click Item1: the list content under "For All Sites" folder is displayed
Double click Item2: the list content under "For this page" folder is displayed
Double click Item3: the list content under "For All Sites" folder is displayed

EXPECTED: Shows content with correct folder of Media gadget