fix: include cost unit when duplicating destination

src/Model/DestinationDto.php

@@ -22,6 +22,8 @@ class DestinationDto
     #[Assert\NotBlank(message: 'Bitte angeben')]
     private ?string $hotelBusProId = null;
 
+    private ?string $costUnit = null;
+
     private array $pickups = [];
 
     public static function fromEntity(Destination $destination): static
@@ -39,6 +41,7 @@ class DestinationDto
             ->setHotelBusProId($destination->getHotelBusProId())
             ->setCountry($destination->getCountry())
             ->setPickups($pickupIds)
+            ->setCostUnit($destination->getCostUnit());
         ;
 
         return $instance;
@@ -104,6 +107,18 @@ class DestinationDto
         return $this;
     }
 
+    public function getCostUnit(): ?string
+    {
+        return $this->costUnit;
+    }
+
+    public function setCostUnit(?string $costUnit): static
+    {
+        $this->costUnit = $costUnit;
+
+        return $this;
+    }
+
     public function getPickups(): array
     {
         return $this->pickups;