[$15] When 50 per page is selected from dropdown than last page is invalid

[LieutenantRoger]

Steps:

1. Go to https://platform.topcoder.com/earn/find/challenges
2. Scroll down to buttom of page
3. Select "10 per pages" drop down
4. Click on next to see how many pages are there.
5. Now, change dropdown to "50 per pages"
6. Click on Next
7. Click on last page. As per attached view it is "3"
8. Observe "No challenges were found. You can try changing your search parameters."

Actual result:

Expected results:

Device: Laptop
OS: Windows 10 64 bit
Browser: Chrome Version 95.0.4638.54 (Official Build) (64-bit)

[LieutenantRoger]

Challenge https://www.topcoder.com/challenges/38002f64-50d6-4ee9-b73a-3f5d2b50923a has been created for this ticket.

This is an automated message for lieutenantroger via Topcoder X

[yoution]

@bug-bash-helper assign

[bug-bash-hunt-helper]

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@bug-bash-helper <link to PR> is ready for review