code review by fei.hong: do modify product detail add colors paramerter sizeName

@@ -238,6 +238,7 @@ class DetailModel
                     $colorArr['colorNum'] = isset($colorStorageGroup[ $colorArr['skcId'] ][$sizeName]) ? $colorStorageGroup[ $colorArr['skcId'] ][$sizeName] : 0;
                     $colorGroup[$i]['color'][] = $colorArr;
                 }
+                $colorGroup[$i]['sizeName'] = $sizeName;
                 
                 ++ $i;
             }