MAGETWO-61596: Configurable products simple products get removed on product save

Author: Olga Nakonechna

app/code/Magento/Ui/view/base/web/js/form/client.js

@@ -104,6 +104,7 @@ define([
         _save: function (data, options) {
             var url = this.urls.save;
 
+            $('body').trigger('processStart');
             options = options || {};
 
             if (!options.redirect) {
@@ -116,6 +117,8 @@ define([
                     data: data
                 }, options);
 
+                $('body').trigger('processStop');
+
                 return this;
             }