修复选中顺丰快递时，再切换到不支持顺丰快递的地址时不能正确显示的bug

Code Review By Rock Zhang

@@ -418,7 +418,7 @@ class CartModel
                     $result['dispatchMode'][$key] = $oneDeliv;
                 }
 
-                if (isset($orderInfo['deliveryId'])) {
+                if (isset($orderInfo['deliveryId']) && isset($idArr[$orderInfo['deliveryId']])) {
                     $flag = array_search($orderInfo['deliveryId'], $idArr);
                     $flag !== false && $result['dispatchMode'][$flag]['isSelected'] = true;
                 } else {