VACMS-14623: Staff profile has no alias on publish (#16820)

* VACMS-14623: Checks for path alias before disabling pathauto

* VACMS-14623: Adds a comment about the preg_match pattern

* VACMS-14623: Adds explicit alias toggle

docroot/modules/custom/va_gov_backend/va_gov_backend.module

@@ -1933,12 +1933,24 @@ function _va_gov_backend_disable_autopath_alias(FieldableEntityInterface $entity
     $toggled_on_this_save = $current_use_alias_pattern && !$original_use_alias_pattern;
     $active_entity = \Drupal::entityTypeManager()->getStorage('node')->load($entity->id());
     $published_previously = ($active_entity instanceof NodeInterface) ? $active_entity->isPublished() : FALSE;
-
-    if ($published_previously && !$toggled_on_this_save) {
-      // This was published and this was not an intentional toggle on.
+    $path = '/node/' . (int) $active_entity->nid->value;
+    $langcode = \Drupal::languageManager()->getCurrentLanguage()->getId();
+    $path_alias = \Drupal::service('path_alias.manager')->getAliasByPath($path, $langcode);
+    // If the path_alias is the node path, alias is not set.
+    $path_alias_set = (bool) preg_match('/\/node\/\d+/', $path_alias) ? FALSE : TRUE;
+
+    if ($path_alias_set && $published_previously && !$toggled_on_this_save) {
+      // This has a path alias, was published,
+      // and was not an intentional toggle on.
       // Disable the pathauto pattern.
       $entity->path->pathauto = 0;
     }
+    elseif (!$path_alias_set) {
+      // If this is not set pathauto already is 0,
+      // so we need to explicitly set it to 1
+      // to get an alias generated.
+      $entity->path->pathauto = 1;
+    }
   }
 }