Patch-Magento-Tax-M2.1.0-free-shipping-availability-on-backend.patch

--- Model/Sales/Total/Quote/CommonTaxCollector.php	2016-10-11 00:27:06.000000000 +0300
+++ Model/Sales/Total/Quote/CommonTaxCollector.php	2017-05-10 13:53:20.000000000 +0300
@@ -536,6 +536,8 @@
         $total->setBaseSubtotalTotalInclTax($baseSubtotalInclTax);
         $total->setBaseSubtotalInclTax($baseSubtotalInclTax);
 
+        $shippingAssignment->getShipping()->getAddress()->setBaseSubtotalTotalInclTax($baseSubtotalInclTax);
+
         return $this;
     }