django_get_or_create does not work when using cutom model manager create method

Description

A clear and concise description of what the bug is. django_get_or_create does not work when using custom model manger create method

To Reproduce

Share how the bug happened:

Override the default model manager create method with your custom method
Define the django_get_or_create fields in the Meta class. These fields should be unique fields in the Model as well as Factory definition
Try create an instance of the factory two times with same values for the unique fields. Second time, the operation would fail giving unique constraint error.

Model / Factory code

Factory

class VKUserBaseFactory(factory.django.DjangoModelFactory):
    name = factory.sequence(lambda n: f"vkuser {n}")
    email = factory.sequence(lambda n: f"vkuser{n}@vk.com")
    password = factory.django.Password('password')
    is_staff = False
    is_superuser = False
    is_active = True
    is_email_verified = True

    class Meta:
        model = models.VKUser
        django_get_or_create = ('email',)

    @classmethod
    def _create(cls, model_class, *args, **kwargs):
        manager = cls._get_manager(model_class)
        user = manager.create_user(*args, **kwargs)
        return user

Model

class VKUser(PermissionsMixin, AbstractBaseUser):
    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
    name = models.CharField(max_length=100, blank=False)
    email = models.EmailField(unique=True)
    is_staff = models.BooleanField(default=False)
    is_active = models.BooleanField(
        _('active'),
        default=True,
        help_text=_(
            'Designates whether this user should be treated as active. '
            'Unselect this instead of deleting accounts.'
        ),
    )
    date_joined = models.DateTimeField(_('date joined'), default=timezone.now, null=True)
    is_email_verified = models.BooleanField(default=True)
    email_verification = GenericRelation(EmailVerification, content_type_field='content_type',
                                         object_id_field='object_id')

    objects = VKUserManager()

The issue

Add a short description along with your code user1 = VKUserFactory(email=vkuser0@vk.com) user2 = VKUserFactory(email=vkuser0@vk.com)

UniqueViolation                           Traceback (most recent call last)
File /opt/venv/lib/python3.8/site-packages/django/db/backends/utils.py:84, in CursorWrapper._execute(self, sql, params, *ignored_wrapper_args)
     [83](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/django/db/backends/utils.py:83) else:
---> [84](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/django/db/backends/utils.py:84)     return self.cursor.execute(sql, params)

UniqueViolation: duplicate key value violates unique constraint "authentication_vkuser_email_key"
DETAIL:  Key (email)=(vkuser0@vk.com) already exists.

The above exception was the direct cause of the following exception:

IntegrityError                            Traceback (most recent call last)
Cell In[6], [line 1](vscode-notebook-cell:?execution_count=6&line=1)
----> [1](vscode-notebook-cell:?execution_count=6&line=1) user1 = auth_factory.VKUserFactory(email='vkuser0@vk.com')

File /opt/venv/lib/python3.8/site-packages/factory/base.py:43, in FactoryMetaClass.__call__(cls, **kwargs)
     [41](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/factory/base.py:41)     return cls.build(**kwargs)
     [42](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/factory/base.py:42) elif cls._meta.strategy == enums.CREATE_STRATEGY:
---> [43](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/factory/base.py:43)     return cls.create(**kwargs)
     [44](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/factory/base.py:44) elif cls._meta.strategy == enums.STUB_STRATEGY:
     [45](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/factory/base.py:45)     return cls.stub(**kwargs)

File /opt/venv/lib/python3.8/site-packages/factory/base.py:539, in BaseFactory.create(cls, **kwargs)
    [533](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/factory/base.py:533) @classmethod
...
---> [84](https://vscode-remote+attached-002dcontainer-002b6d696e646b6f7368736572766572.vscode-resource.vscode-cdn.net/opt/venv/lib/python3.8/site-packages/django/db/backends/utils.py:84)     return self.cursor.execute(sql, params)

IntegrityError: duplicate key value violates unique constraint "authentication_vkuser_email_key"
DETAIL:  Key (email)=(vkuser0@vk.com) already exists.

Notes

Add any notes you feel relevant here :) The expected behavior should be that it should try to get the instance using the django_get_or_create fields no matter if any custom manager method is defined.

FactoryBoy / factory_boy

django_get_or_create does not work when using cutom model manager create method #1094