[x] attempts should be excluded from the response teh api sends when a user logs in
[x] if a user jwt is present on the cookie with the request, the /api/problems route should include a boolean value that indicates whether or not that user has ever solved that problem on each problem object it returns. if there is no jwt present, no info should
[x] the /api/problems/problemId route should not include all of the attempts for a problem—only the ones that are associated with a given user (if a user is present)
/api/problemsroute should include a boolean value that indicates whether or not that user has ever solved that problem on each problem object it returns. if there is no jwt present, no info should/api/problems/problemIdroute should not include all of the attempts for a problem—only the ones that are associated with a given user (if a user is present)