Marathon Leaderboard displays Max Rating(SRM, MM) should display MM Rating

The user rating displayed on MM (Registrant and Submission Tab) is max(SRMrating, MMrating), should be MM rating.

Description: Member registration tab shows MAX Rating out of all the rating member has and the Submission tab shows MM Rating on a Marathon Match Type Challenge. Both should show MM Rating.

Final Submission Guidelines

Git issue link: https://github.com/topcoder-platform/community-app/issues/4947