Revert the mixins in the models

docker-app/qfieldcloud/core/models.py

@@ -36,10 +36,7 @@
 from qfieldcloud.core.utils2 import storage
 from qfieldcloud.subscription.exceptions import ReachedMaxOrganizationMembersError
 from timezone_field import TimeZoneField
-from qfieldcloud.core.fields import (
-    DynamicStorageFileField,
-    FileStorageNameModelProtocol,
-)
+from qfieldcloud.core.fields import DynamicStorageFileField
 
 
 if TYPE_CHECKING:
@@ -1031,7 +1028,7 @@ def get_project_thumbnail_upload_to(instance: "Project", _filename: str) -> str:
     return f"projects/{instance.id}/meta/thumbnail.png"
 
 
-class Project(models.Model, FileStorageNameModelProtocol):
+class Project(models.Model):
     """Represent a QFieldcloud project.
     It corresponds to a directory on the file system.
 

docker-app/qfieldcloud/filestorage/models.py

@@ -17,10 +17,7 @@
 
 from qfieldcloud.core.models import Job, Project, User
 from qfieldcloud.core.utils2 import storage
-from qfieldcloud.core.fields import (
-    DynamicStorageFileField,
-    FileStorageNameModelProtocol,
-)
+from qfieldcloud.core.fields import DynamicStorageFileField
 from qfieldcloud.core.validators import MaxBytesLengthValidator
 from .utils import calc_etag, filename_validator
 
@@ -242,7 +239,7 @@ def get_file_version_upload_to(instance: "FileVersion", _filename: str) -> str:
         raise NotImplementedError()
 
 
-class FileVersion(models.Model, FileStorageNameModelProtocol):
+class FileVersion(models.Model):
     def _get_file_storage_name(self) -> str:
         """Returns the file storage name where all the files are stored. Used by `DynamicStorageFileField` and `DynamicStorageFieldFile`."""
         return self.file.project.file_storage