Fixing keyboard submit of adminhtml suggest form.

Author: romainruaud

lib/web/mage/backend/suggest.js

@@ -245,6 +245,20 @@
 
                         case keyCode.ENTER:
                         case keyCode.NUMPAD_ENTER:
+                            suggestList = event.currentTarget.parentNode.getElementsByTagName('ul')[0];
+                            hasSelectedItems = suggestList.getElementsByClassName('_active').length >= 0;
+
+                            if (hasSelectedItems) {
+                                selectedItem = $(suggestList.getElementsByClassName('_active')[0]);
+                                /* eslint-disable max-depth */
+                                if (selectedItem.find('a') && selectedItem.find('a').attr('href') !== undefined) {
+                                    window.location = selectedItem.find('a').attr('href');
+                                    event.preventDefault();
+
+                                    return false;
+                                }
+                                /* eslint-enable max-depth */
+                            }
 
                             if (this.isDropdownShown() && this._focused) {
                                 this._proxyEvents(event);