adapt Container usage to new soko-web

src/Repository/UserConfirmationRepository.php

@@ -3,20 +3,12 @@
 use SokoWeb\Database\Query\Select;
 use MapGuesser\PersistentData\Model\User;
 use MapGuesser\PersistentData\Model\UserConfirmation;
-use SokoWeb\PersistentData\PersistentDataManager;
 
 class UserConfirmationRepository
 {
-    private PersistentDataManager $pdm;
-
-    public function __construct()
-    {
-        $this->pdm = new PersistentDataManager();
-    }
-
     public function getById(int $userConfirmationId): ?UserConfirmation
     {
-        return $this->pdm->selectFromDbById($userConfirmationId, UserConfirmation::class);
+        return \Container::$persistentDataManager->selectFromDbById($userConfirmationId, UserConfirmation::class);
     }
 
     public function getByToken(string $token): ?UserConfirmation
@@ -24,7 +16,7 @@ class UserConfirmationRepository
         $select = new Select(\Container::$dbConnection);
         $select->where('token', '=', $token);
 
-        return $this->pdm->selectFromDb($select, UserConfirmation::class);
+        return \Container::$persistentDataManager->selectFromDb($select, UserConfirmation::class);
     }
 
     public function getByUser(User $user): ?UserConfirmation
@@ -32,6 +24,6 @@ class UserConfirmationRepository
         $select = new Select(\Container::$dbConnection);
         $select->where('user_id', '=', $user->getId());
 
-        return $this->pdm->selectFromDb($select, UserConfirmation::class);
+        return \Container::$persistentDataManager->selectFromDb($select, UserConfirmation::class);
     }
 }