Update resources API to return all roles when searching for your own member ID

Ref https://github.com/topcoder-platform/community-app/issues/4672

When calling GET /resources, the API should return all roles for the caller's ID if the caller is not an admin/M2M.

cc @rootelement

Final Submission Guidelines

Git issue link: https://github.com/topcoder-platform/challenge-api/issues/240