adapt $withRelations usage to soko-web 0.7

src/Repository/UserInChallengeRepository.php

@@ -29,7 +29,7 @@ class UserInChallengeRepository
         $select = new Select(\Container::$dbConnection);
         $select->where('challenge_id', '=', $challenge->getId());
 
-        yield from \Container::$persistentDataManager->selectMultipleFromDb($select, UserInChallenge::class, true, [User::class]);
+        yield from \Container::$persistentDataManager->selectMultipleFromDb($select, UserInChallenge::class, true, ['user']);
     }
 
     public function getByUserIdAndChallenge(int $userId, Challenge $challenge): ?UserInChallenge
@@ -44,7 +44,7 @@ class UserInChallengeRepository
     public function getByUserIdAndToken(int $userId, string $token_str, array $withRelations = []): ?UserInChallenge
     {
         if (count($withRelations)) {
-            $necessaryRelations = [Challenge::class];
+            $necessaryRelations = ['challange'];
             $withRelations = array_unique(array_merge($withRelations, $necessaryRelations));
         }