Registrants list of past challenges must display placement next to registrant where applicable

[SathyaJayabal]

Registrants list of past challenges must display placement next to registrant where applicable.
Example:
https://www.topcoder.com/challenges/30130932?tab=registrants
https://beta-community-app.topcoder.com/challenges/62941871-1077-420a-8669-4fe8fc933fa5?tab=registrants