v1.21.4 - Revert RDM submission download changes (v1.21.3)

Revert RDM submission download changes for further QA --> Prod
https://github.com/topcoder-platform/community-app/milestone/214

v1.21.3 : Universal Nav tweaks, RDM submission downloading, Markdown rendering updates

https://github.com/topcoder-platform/community-app/milestone/213

v1.21.2

Milestone: https://github.com/topcoder-platform/community-app/milestone/212

Member profile with TCA certs

Issues: TCA-694
PR: #6834

v1.21.1

• Universal Nav tweaks
• Marathon Match submission download
• collapsible timeline
• Markdown rendering fixes

Milestone: https://github.com/topcoder-platform/community-app/milestone/211

community-app

Issues: PROD-3011 PROD-3030 PROD-4051 PROD-4052 PROD-4044 PROD-4050
PR: #6824

v1.21.0

Universal Nav

Milestone: https://github.com/topcoder-platform/community-app/milestone/209

Issues: PROD-2662
PR: #6806

v1.20.4

Milestone: https://github.com/topcoder-platform/community-app/milestone/210

community-app

Issues: PROD-3521
PR: #6794

v1.20.3

Milestone: https://github.com/topcoder-platform/community-app/milestone/208

community-app

Issues: PROD-3563
PR: #6777

1.20.2

LaTex support for challenge pages

Milestone: https://github.com/topcoder-platform/community-app/milestone/207

community-app

Issues: PROD-3496
PR: #6772

v1.20.1

Milestone: https://github.com/topcoder-platform/community-app/milestone/206

community-app

Issues: GAME-224
PR: #6760

v1.20.0

Milestone: https://github.com/topcoder-platform/community-app/milestone/205

community-app

Issues: PROD-3059 PROD-3279
PR: #6759