Update queue_ui.module

This approach works for the UI, but it might have side-effects for others places where queue workers are processed.

src/Form/OverviewForm.php

@@ -217,6 +217,13 @@ class OverviewForm extends FormBase {
      * @var array $queues
     */
     $queues = $this->queueWorkerManager->getDefinitions();
+
+    if (!$queue_order_installed) {
+      // When the queue order module is not installed, use the machine name to
+      // sort queue workers alphabetically.
+      ksort($queues);
+    }
+
     foreach ($queues as $name => $queue_definition) {
       $queue = $this->queueFactory->get($name);