fix: validator

Author: giancarloromeo

packages/models-library/src/models_library/api_schemas_webserver/projects.py

@@ -126,7 +126,7 @@ class ProjectGet(OutputSchema):
 
     # display
     name: str
-    description: str
+    description: Annotated[str, BeforeValidator(none_to_empty_str_pre_validator)]
     thumbnail: HttpUrl | Literal[""]
 
     type: ProjectType
@@ -166,10 +166,6 @@ class ProjectGet(OutputSchema):
     workspace_id: WorkspaceID | None
     folder_id: FolderID | None
 
-    _empty_description = field_validator("description", mode="before")(
-        none_to_empty_str_pre_validator
-    )
-
     @staticmethod
     def _update_json_schema_extra(schema: JsonDict) -> None:
         schema.update(