show leaderboard and detailed result page to approved participants only

[ihsaan-ullah]

@ mention of reviewers

@Didayolo

A brief description of the purpose of the changes contained in this PR.

Previously Pending and Denied participants were able to see leaderboard and then see detailed results page.

NOW only approved participants can see leaderboard and detailed result

Screenshots

Leaderboard:

approved participants will see

pending participants will see

denied participants will see

Detailed result

approved participants will see

pending participants will see

denied participants will see

Issues this PR resolves

• 1475

Checklist

• [x] Code review by me
• [x] Hand tested by me
• [x] I'm proud of my work
• [x] Code review by reviewer
• [x] Hand tested by reviewer
• [x] CircleCi tests are passing
• [x] Ready to merge

[Didayolo]

@ihsaan-ullah When the user is neither "Pending" or "Denied", there is no message on the leaderboard:

[ihsaan-ullah]

Not a participant (status == null)

Pending participant

Denied participant

Approved participant