Change order of service converter check (#16182)

Author: elit0451

src/Umbraco.Infrastructure/Services/ContentListViewServiceBase.cs

@@ -90,17 +90,18 @@ protected abstract Task<PagedModel<TContent>> GetPagedChildrenAsync(
             .Select(p => p.Alias)
             .WhereNotNull();
 
-        // Service layer expects "owner" instead of "creator", so make sure to pass in the correct field
-        if (orderBy.InvariantEquals("creator"))
-        {
-            orderBy = "owner";
-        }
 
         if (listViewPropertyAliases.Contains(orderBy) == false && orderBy.InvariantEquals("name") == false)
         {
             return Attempt.FailWithStatus<Ordering?, ContentCollectionOperationStatus>(ContentCollectionOperationStatus.OrderByNotPartOfCollectionConfiguration, null);
         }
 
+        // Service layer expects "owner" instead of "creator", so make sure to pass in the correct field
+        if (orderBy.InvariantEquals("creator"))
+        {
+            orderBy = "owner";
+        }
+
         var orderByCustomField = listViewProperties
             .Any(p => p.Alias == orderBy && p.IsSystem is false);