Further fix to LoggablePropertyAttribute serialization

InABox.Core/DataTable.cs

@@ -826,9 +826,9 @@ namespace InABox.Core
             {
                 writer.Write(time.Ticks);
             }
-            else if (type == typeof(LoggablePropertyAttribute) && value is LoggablePropertyAttribute lpa)
+            else if (type == typeof(LoggablePropertyAttribute))
             {
-                writer.Write(lpa.Format ?? "");
+                writer.Write((value as LoggablePropertyAttribute)?.Format ?? "");
             }
             else
             {