Fixed SortOrder handling in DataModels

InABox.Core/DataModel/DataModel.cs

@@ -452,7 +452,7 @@ namespace InABox.Core
 
             var newColumns = _tables[tableName].Columns as Columns<TType>;
 
-            var newSort = LookupFactory.DefineSort<TType>();
+            var newSort = _tables[tableName].Sort as SortOrder<TType> ?? LookupFactory.DefineSort<TType>();
 
             IQueryDef? query = null;
             requiredQueries?.TryGetValue(tableName, out query);