OEL-543: Styling components.

Created by: escuriola

Jira issue:

• https://citnet.tech.ec.europa.eu/CITnet/jira/browse/OEL-543?

modules/oe_whitelabel_helper/src/Plugin/better_exposed_filters/sort/FloatEndSortWidget.php

+<?php
+
+declare(strict_types = 1);
+
+namespace Drupal\oe_whitelabel_helper\Plugin\better_exposed_filters\sort;
+
+use Drupal\better_exposed_filters\Plugin\better_exposed_filters\sort\DefaultWidget;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * OpenEuropa custom better exposed filters widget implementation.
+ *
+ * @BetterExposedFiltersSortWidget(
+ *   id = "oe_whitelabel_float_end_sort",
+ *   label = @Translation("Float End Sort"),
+ * )
+ */
+class FloatEndSortWidget extends DefaultWidget {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function exposedFormAlter(array &$form, FormStateInterface $form_state) {
+    parent::exposedFormAlter($form, $form_state);
+    $form['#attributes']['class'][] = 'float-lg-end';
+    $form['#attributes']['class'][] = 'd-md-block';
+  }
+
+}