Due to this line, I am unable to use `0` as a discriminator value. Is this intended? https://github.com/typeorm/typeorm/blob/b91a7259b4b9e1226c14f26f9ecbafea08eaae23/src/decorator/entity/ChildEntity.ts#L18 Currently working around it by starting the enum I use to hold the discriminators from `1`.