Erreur 500 liste inscription des anciens évènements

[Zarlokh]

Hello !
Sur la prod, il y a une erreur 500 sur la liste des inscriptions des anciens évènements, comme par exemple le forum 2025 : https://afup.org/admin/event/tickets?id=53

[agallou]

On a cette erreur :

 2026-01-30T19:26:24.592Z request.CRITICAL: Uncaught PHP Exception TypeError: "AppBundle\Event\Model\TicketAggregate::__construct(): Argument #2 ($ticketType) must be of type AppBundle\Event\Model\TicketType, null given, called in /home/bas/app_ee619ef6-05d2-4b4c-978f-d8f85e5a49da/sources/AppBundle/Event/Model/Repository/TicketRepository.php on line 235" at TicketAggregate.php line 9 {"exception":"[object] (TypeError(code: 0): AppBundle\\Event\\Model\\TicketAggregate::__construct(): Argument #2 ($ticketType) must be of type AppBundle\\Event\\Model\\TicketType, null given, called in /home/bas/app_ee619ef6-05d2-4b4c-978f-d8f85e5a49da/sources/AppBundle/Event/Model/Repository/TicketRepository.php on line 235 at /home/bas/app_ee619ef6-05d2-4b4c-978f-d8f85e5a49da/sources/AppBundle/Event/Model/TicketAggregate.php:9)"} [] 

[stakovicz]

closes #2133