Some changes to get register/login flow working smoothly with Admin role.

API/DTOs/MemberDto.cs

@@ -14,7 +14,6 @@ namespace API.DTOs
         public string Username { get; set; }
         public DateTime Created { get; set; }
         public DateTime LastActive { get; set; }
-        public bool IsAdmin { get; set; }
         public IEnumerable<LibraryDto> Libraries { get; set; }
     }
 }