MAGETWO-31689: 'Date Of Birth' is reset to current date on customer form

- Parse date format on initialization.

Author: Denys Rul

app/code/Magento/Ui/view/base/layout/ui_components.xml

@@ -131,6 +131,7 @@
         <arguments>
             <argument name="js_config" xsi:type="array">
                 <item name="extends" xsi:type="string">input</item>
+                <item name="component" xsi:type="string">Magento_Ui/js/form/element/date</item>
                 <item name="config" xsi:type="array">
                     <item name="input_type" xsi:type="string">date</item>
                 </item>

app/code/Magento/Ui/view/base/web/js/form/element/date.js

@@ -0,0 +1,30 @@
+/**
+ * @copyright Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
+ */
+define([
+    'moment',
+    './abstract'
+], function (moment, Abstract) {
+    'use strict';
+
+    return Abstract.extend({
+        defaults: {
+            dateFormat: 'MM/DD/YYYY'
+        },
+
+        /**
+         * Converts initial value to the specified date format.
+         *
+         * @returns {String}
+         */
+        getInititalValue: function () {
+            var value = this._super();
+
+            if (value) {
+                value = moment(value).format(this.dateFormat);
+            }
+
+            return value;
+        }
+    });
+});