Fix de quelques erreurs Doctrine et ajout des noms des Places

src/Entity/Place.php

@@ -8,9 +8,10 @@ use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity(repositoryClass: PlaceRepository::class)]
+#[ORM\MappedSuperclass]
 #[ORM\InheritanceType("JOINED")]
 #[ORM\DiscriminatorColumn(name: "type", type: "string")]
-#[ORM\DiscriminatorMap({"room": "Room","corridor": "Corridor"})]
+#[ORM\DiscriminatorMap(["room" => Room::class, "corridor" => Corridor::class])]
 class Place
 {
     #[ORM\Id]
@@ -23,6 +24,9 @@ class Place
 
     #[ORM\ManyToMany(targetEntity: Place::class, mappedBy: "connection")]
     private $connectedPlaces;
+    
+    #[ORM\OneToMany(targetEntity: PlaceName::class, mappedBy: "place")]
+    private $names;
 
     public function __construct()
     {