OEL-1394: Merge 1.x into EPIC-1293-Project, align with new version of card:search pattern

Created by: donquixote

https://citnet.tech.ec.europa.eu/CITnet/jira/browse/OEL-1394

Replaces #115

includes/paragraphs.inc

+<?php
+
+/**
+ * @file
+ * Theme functions for paragraphs.
+ */
+
+declare(strict_types = 1);
+
+/**
+ * Implements hook_theme_suggestions_HOOK_alter().
+ */
+function oe_whitelabel_theme_suggestions_paragraph_alter(array &$suggestions, array $variables): void {
+  /** @var \Drupal\paragraphs\ParagraphInterface $paragraph */
+  $paragraph = $variables['elements']['#paragraph'];
+
+  if ($paragraph->bundle() === 'oe_content_row') {
+    $variant = $paragraph->get('oe_paragraphs_variant')->first()->value;
+    $suggestions[] = 'paragraph__' . $paragraph->bundle() . '__variant_' . $variant;
+  }
+}