fix httpUpgrade host

Co-Authored-By: Alireza Ahmadi <alireza7@gmail.com>

web/assets/js/model/outbound.js

@@ -289,7 +289,7 @@ class HttpUpgradeStreamSettings extends CommonClass {
     static fromJson(json={}) {
         return new HttpUpgradeStreamSettings(
             json.path,
-            json.Host,
+            json.host,
             json.headers && !ObjectUtil.isEmpty(json.headers.Host) ? json.headers.Host : '',
         );
     }