fix inference

fix small issues

Azaion.Common/Database/DbFactory.cs

@@ -105,6 +105,7 @@ public class DbFactory : IDbFactory
             await db.Detections.DeleteAsync(x => names.Contains(x.AnnotationName), token: cancellationToken);
             await db.Annotations.DeleteAsync(x => names.Contains(x.Name), token: cancellationToken);
         });
+        SaveToDisk();
     }
 }