Issue #1904882 by balsama, YesCT: Entity reference field Reference method...

Issue #1904882 by balsama, YesCT: Entity reference field Reference method Default settings order should be Filter by then Sort by.

core/modules/user/lib/Drupal/user/Plugin/entity_reference/selection/UserSelection.php

@@ -31,8 +31,6 @@ class UserSelection extends SelectionBase {
    * Overrides SelectionBase::settingsForm().
    */
   public static function settingsForm(&$field, &$instance) {
-    $form = parent::settingsForm($field, $instance);
-
     // Merge in default values.
     $instance['settings']['handler_settings'] += array(
       'filter' => array(
@@ -74,6 +72,8 @@ public static function settingsForm(&$field, &$instance) {
       );
     }
 
+    $form += parent::settingsForm($field, $instance);
+
     return $form;
   }