Removed one use of sqlalchemy lower function in marshables

Author: c8y3

source/app/schema/marshables.py

@@ -97,6 +97,7 @@
 from app.schema.utils import str_to_bool
 from app.business.users import get_primary_organisation
 from app.business.users import get_organisations
+from app.datamgmt.case.assets_type import get_asset_type_by_name_case_insensitive
 
 
 ALLOWED_EXTENSIONS = {'png', 'svg'}
@@ -621,11 +622,8 @@ def verify_unique(self, data: Dict[str, Any], **kwargs: Any) -> Dict[str, Any]:
                         type=int,
                         allow_none=True)
 
-        client = AssetsType.query.filter(
-            func.lower(AssetsType.asset_name) == func.lower(data.asset_name),
-            AssetsType.asset_id != data.asset_id
-        ).first()
-        if client:
+        asset_type = get_asset_type_by_name_case_insensitive(data.asset_name)
+        if asset_type and asset_type.asset_id != data.asset_id:
             raise ValidationError('Asset type name already exists', field_name='asset_name')
 
         return data