Fix build

assets/js/src/help-tooltip.js

@@ -1,6 +1,7 @@
 define('helpTooltip', ['mailpoet', 'react', 'react-dom', 'help-tooltip.jsx'],
-  function (MailPoet, React, ReactDOM, TooltipComponent) {
+  function (mp, React, ReactDOM, TooltipComponent) {
     'use strict';
+    var MailPoet = mp;
 
     MailPoet.helpTooltip = {
       show: function (domContainerNode, opts) {

assets/js/src/newsletters/send.jsx

@@ -273,10 +273,11 @@ define(
           && this.state.item.queue
           && this.state.item.queue.status == 'paused';
         const fields = this.state.fields.map((field) => {
+          const newField = field;
           if (field.name == 'segments' || field.name == 'options') {
-            field.disabled = isPaused;
+            newField.disabled = isPaused;
           }
-          return field;
+          return newField;
         });
         return (
           <div>