Site settings load in one query no matter how many settings parts exist.

--HG--
branch : 1.x

src/Orchard.Web/Core/Settings/Services/SiteService.cs

@@ -43,7 +43,11 @@ namespace Orchard.Core.Settings.Services {
                 return site.Id;
             });
 
-            return _contentManager.Get<ISite>(siteId, VersionOptions.Published, new QueryHints().ExpandRecords<SiteSettingsPartRecord>());
+            return _contentManager.Query<SiteSettingsPart, SiteSettingsPartRecord>(VersionOptions.Published)
+                                  .WithQueryHintsFor("Site")
+                                  .Where(s => s.Id == siteId)
+                                  .List()
+                                  .First();
         }
     }
 }