Add row key for persons table

        self.add_all_persons()

    def add_all_persons(self) -> None:

        self.add_rows(to_row(p) for p in Person.get_all())

        for person in Person.get_all():

            self.add_row(*to_row(person), key=str(person.uuid))

    def reload(self) -> None:

        old_cursor_coordinate = self.cursor_coordinate