fix: process canceled participants correctly

src/BusProNet/Model/PersonalData.php

@@ -9,6 +9,7 @@ class PersonalData
     public ?int $addressId = null;
     public ?int $personId = null;
     public bool $mutable = false;
+    public ?string $status = null;
 
     #[Assert\NotBlank(message: 'Bitte angeben')]
     public ?string $name = null;
@@ -57,4 +58,4 @@ class PersonalData
             'bemerkung' => $this->remarks,
         ];
     }
-}
+}