[$30] Changing the per page to a higher value when user is in later pages displays no results

[SathyaJayabal]

1. Go to Challenges page
2. Go to the last page
3. change the per page value to 20 or 50
   Actual: Challenge page is displayed with no results
   Expected: The current page must be the first page and the challenges must be displayed.

per.page.mov