From f28471e86936de39d81df3a669fd7e23668451ed Mon Sep 17 00:00:00 2001
From: Valerij Ivashchenko <likemusic@yandex.ru>
Date: Mon, 11 Jun 2018 12:43:30 +0300
Subject: [PATCH] extend default config instead overwrite

---
 lib/web/mage/adminhtml/form.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/web/mage/adminhtml/form.js b/lib/web/mage/adminhtml/form.js
index e136e8c0f7354..487c71484e4c5 100644
--- a/lib/web/mage/adminhtml/form.js
+++ b/lib/web/mage/adminhtml/form.js
@@ -389,7 +389,7 @@ define([
             var idTo, idFrom, values, fromId, radioFrom;
 
             if (config) {
-                this._config = config;
+                this._config = jQuery.extend(this._config, config);
             }
 
             for (idTo in elementsMap) { //eslint-disable-line guard-for-in