fix: respect environment variable to toggle BPN debug mode

src/BusProNet/Model/Booking.php

@@ -370,6 +370,8 @@ class Booking
      */
     public function isEditable(): bool
     {
-        return $this->travelDate > new \DateTimeImmutable() && false === in_array($this->status, ['S', 'U']);
+        $now = new \DateTimeImmutable();
+
+        return $this->travelDate > $now && false === in_array($this->status, ['S', 'U']);
     }
 }