[Common] Challenges pages redirected back to topcoder domain in My Dashboard

[sdgun]

Description

Challenges pages redirected back to topcoder domain in My Dashboard

Steps to Reproduce

• Open the sites (https://members.topcoder.com/my-dashboard/ and https://www.topcoder.com/my-dashboard/)
• Login as a valid user
• Go to Dashboard
• Click on a link in the 'MY CHALLENGES'

Expected Result(s)

• Must go to the sub-domain

Actual Result

• Challenges pages redirected back to topcoder domain in My Dashboard

Environment

• Browser(s): Chrome 52.0.2743.116 m, FF 48.0.2, IE11
• Operating System: Windows 7 Pro 64bit

Image/Video/JS Log (If not attached here, Please check the comment section)

[sdgun]

[tladendo]

duplicate #381