Remove null property send.

src/components/Dashboard/ReservationPage/ReservationDialog.tsx

@@ -38,7 +38,6 @@ export const ReservationDialog: FC<ReservationDialogProps> = ({
     getRoleObject().then((role) => {
       filledReservation.insertedBy = role.id;
     });
-    filledReservation.driverShift = null;
     filledReservation.senior = senior?.id;
     console.log(filledReservation);
     setReservation(filledReservation);