View submissions of Completed design contest loads a blank page

View submissions of Completed design contest loads a blank page example: user: CustomerUser

https://beta-community-app.topcoder.com/challenges/30136817/my-submissions https://www.topcoder.com/challenges/ae7f8a3f-d28b-4743-ac0f-21e15b9f4891/my-submissions <img width="1440" alt="Screenshot 2020-08-15 at 3 02 12 PM" src="https://user-images.githubusercontent.com/58783823/90309698-58c10a80-df08-11ea-8a8f-4c7754f3d855.png">

<img width="1440" alt="Screenshot 2020-08-15 at 2 31 53 PM" src="https://user-images.githubusercontent.com/58783823/90309218-4218b480-df04-11ea-9758-7171e11222cc.png">

cc @lakshmiathreya

Final Submission Guidelines

Git issue link: https://github.com/topcoder-platform/community-app/issues/4758