Bug: settings `__set_as_default_factory_for_type__ ` to `True` on base factory fails

[guacs]

Description

If __set_as_default_factory_for_type__ is set to True on a custom base factory so that all the subclasses factories inherit that value, then an AttributeError is raised.

URL to code causing the issue

No response

MCVE

from polyfactory.factories import DataclassFactory
from polyfactory.factories.base import T

class CustomDataclassBaseFactory(DataclassFactory[T]):
    __is_base_factory__ = True
    __set_as_default_factory_for_type__ = True

Steps to reproduce

Run the MCVE.

Screenshots

No response

Logs

No response

Release Version

2.13.0

Platform

• [ ] Linux
• [ ] Mac
• [ ] Windows
• [ ] Other (Please specify in the description above)

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