MAGETWO-39777: [IE] PayPal Express Checkout is always displayed as disabled

- fix lock Paypal Express conditional rule

Author: Yushkin, Dmytro

app/code/Magento/Paypal/etc/adminhtml/rules/payment_us.xml

@@ -371,8 +371,12 @@
                 <argument name="paypal_payflowpro_with_express_checkout">paypal_payflowpro_with_express_checkout</argument>
                 <argument name="payflow_link_us">payflow_link_us</argument>
             </rule>
-            <rule type="paypal/express/mark-enable" event=":load"/>
-            <rule type="paypal/express/lock-configuration-conditional" event=":load"/>
+            <rule type="paypal/express/lock-configuration-conditional" event=":load">
+                <argument name="payflow_advanced">payflow_advanced</argument>
+                <argument name="wpp_usuk">wpp_usuk</argument>
+                <argument name="paypal_payflowpro_with_express_checkout">paypal_payflowpro_with_express_checkout</argument>
+                <argument name="payflow_link_us">payflow_link_us</argument>
+            </rule>
         </relation>
     </payment>
 </rules>

app/code/Magento/Paypal/view/adminhtml/web/js/rules/paypal/express/lock-configuration-conditional.js

@@ -7,7 +7,19 @@ define([
 ], function (lockConfiguration) {
     "use strict";
     return function ($target, $owner, data) {
-        if ($owner.find(data.enableButton).val() == 1) {
+        var isDisabled = true;
+
+        _.every(data.argument, function (name) {
+            if (data.solutionsElements[name]
+                && data.solutionsElements[name].find(data.enableButton).val() == 1
+            ) {
+                isDisabled = false;
+                return isDisabled;
+            }
+            return isDisabled;
+        }, this);
+
+        if (!isDisabled) {
             lockConfiguration($target, $owner, data);
         }
     };