Changed status code on choosing the same name as other profile. Renamed class name

src/main/java/edu/ntnu/idatt210602/matsvinnbackend/controller/ProfileController.java

@@ -98,7 +98,7 @@ public class ProfileController {
 
             if (!listOfProfiles.isEmpty()) {
                 logger.warn("Another profile on the current account with the same name exists.");
-                throw new ResponseStatusException(HttpStatus.BAD_REQUEST);
+                throw new ResponseStatusException(HttpStatus.CONFLICT);
             } else {
                 profile.setName(request.name());
             }