select myChallenges in filter and see all challenges have the option to register when already registered, and allowing click and on click redirecting to the challenge page.
same challenges that are registered are coming in Open To Register with register option.
Actual Result
Expected Result
Register option should not be visible in the my Challenges and challenge should not be in Open Challenges list. In My Challenges list, the Unregister option should be there and on clicking user should be unregistered and the challenge should be removed from the My Challenges list and added to Open Challenges list.
Device/OS/Browser Information
Laptop, Windows , Chrome
Bug Title Challenge already registered. Still showing to register in My Challenges and in Open to Register
Steps To Reproduce
Actual Result
![challenge_registered](https://github.com/topcoder-platform/Training-Challenges/assets/45073071/e5311008-5f4e-485d-8e10-5e6600eac9a4)
Expected Result
Device/OS/Browser Information Laptop, Windows , Chrome