[$40] Past Contests : Winners icon - default image is not displayed for logged in users

[SathyaJayabal]

https://www.topcoder.com/challenges?bucket=past

cc @lakshmiathreya

[crazyk07]

Contest https://www.topcoder.com/challenges/30141163 has been created for this ticket.

This is an automated message for crazyk via Topcoder X

[luizrrodrigues]

@topcoder-platform/topcodercompetitors @topcoder-platform/tcxcommunity this is open for pickup

Submit in 8 hours and PR to:

https://github.com/topcoder-platform/community-app/tree/milestone-20200924
https://github.com/topcoder-platform/topcoder-react-lib/tree/milestone-20200924

run npm run test before PR