Review Opportunity detail: Phase timelines and duration is incorrect

https://www.topcoder.com/challenges/30123373/review-opportunities https://beta-community-app.topcoder.com/challenges/30123373/review-opportunities

<img width="1440" alt="Screenshot 2020-07-01 at 11 37 13 AM" src="https://user-images.githubusercontent.com/58783823/86209107-72dc9e80-bb8f-11ea-9d19-8fc5bdcf47ef.png">

Final Submission Guidelines

Git issue link: https://github.com/topcoder-platform/community-app/issues/4619