Add Card#owner property

from uuid import UUID

from sqlalchemy.orm import Mapped, mapped_column

from sqlalchemy.orm import Mapped, mapped_column, relationship

from sqlalchemy.schema import ForeignKey

from poolpay.model.Retrievable import Retrievable

from poolpay.model.Person import Person

class Card(Retrievable):

    id: Mapped[int] = mapped_column(primary_key=True)

    owner_uuid: Mapped[UUID] = mapped_column(ForeignKey("person.uuid"))

    owner: Mapped[Person] = relationship()

    @property

    def primary_key(self) -> int: