invalidWhereValuesBehavior.undefined set to `throw` is not throwing when is not the only property in `where`

a_entity.findOne({
  where: {
    uuid: validUuid,
    b_entity: {
      uuid: undefined,
    },
  },
  relations: {
    b_entity: true,
  },
})

const dataSource = new DataSource({
    type: "postgres",
    // ...
    invalidWhereValuesBehavior: {
        undefined: 'throw',
        null: 'throw',
    },
});

// 1. a_entity.findOne() - Doesn't work as expected, should throw error but is returning A entity
a_entity.findOne({
  where: {
    uuid: validUuid,
    b_entity: {
      uuid: undefined,
    },
  },
  relations: {
    b_entity: true,
  },
})

// 2. QueryBuilder - Doesn't work as expected, should throw error but is returning A entity
 await this.a_entity.createQueryBuilder('A')
      .innerJoinAndSelect('A.b_entity', 'B')
      .where('A.uuid = :validUuid', { validUuid })
      .andWhere('B.uuid = :bUuid', { bUuid: undefined })
      .getOne()