Issue #3471965: Fix the issues reported by PHP_CodeSniffer

Closes #3471965

src/Element/BootstrapDateTime.php

@@ -6,8 +6,8 @@ use Drupal\Component\Serialization\Json;
 use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\Core\Datetime\Element\Datetime;
 use Drupal\Core\Datetime\Entity\DateFormat;
-use Drupal\Core\Render\Element;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Render\Element;
 
 /**
  * Provides a BootstrapDateTime form element.
@@ -29,11 +29,11 @@ class BootstrapDateTime extends Datetime {
       ],
       '#process' => [
         [$class, 'processBootstrapDateTime'],
-        [$class, 'processAjaxForm']
+        [$class, 'processAjaxForm'],
       ],
       '#pre_render' => [
         [$class, 'preRenderBootstrapDateTime'],
-        [$class, 'preRenderAjaxForm']
+        [$class, 'preRenderAjaxForm'],
       ],
       '#multiple' => FALSE,
       '#maxlength' => 512,