Issue #3264740 by omarlopesino: The diff does not appear when a moderated entity is set to draft

src/Service/LogEntityOperationsManager.php

@@ -5,6 +5,7 @@ namespace Drupal\log_entity_operations\Service;
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Entity\RevisionableInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\log_entity_operations\Logger\DrupalLogger;
 use Drupal\log_entity_operations\ArrayDiff;
@@ -102,7 +103,8 @@ class LogEntityOperationsManager {
     $diff = '';
     if ($operation == 'update' && isset($entity->original) && $this->getConfig('log_diff')) {
       $array1 = $this->filterRecursive($entity->original->toArray());
-      $updated_entity = $this->entityTypeManager->getStorage($type)->load($entity->id());
+      $updated_entity = $entity instanceof RevisionableInterface && $entity->getEntityType()->hasKey('revision_table') ? $this->entityTypeManager->getStorage($type)->loadRevision($entity->getRevisionId())
+        : $this->entityTypeManager->getStorage($type)->load($entity->id());
       $array2 = $this->filterRecursive($updated_entity->toArray());
       $differ = new ArrayDiff();
       $diff = json_encode($this->filterRecursive($differ->diff($array1, $array2)));