Fixing default query order

--HG--
branch : 1.x
extra : rebase_source : b2b5670c49b21ab1f6f2a6eedf4a6d3cee3fc49d

src/Orchard/ContentManagement/DefaultHqlQuery.cs

@@ -264,6 +264,11 @@ namespace Orchard.ContentManagement {
                 }
             }
 
+            // no order clause was specified
+            if (firstSort) {
+                sb.Append("order by Id");
+            }
+
             return sb.ToString();
         }