Cancel article timestampable when updating mediaUpdatedAt (#1217)

Co-authored-by: Johan Larsson <[email protected]>

Author: kottkrig

src/SWP/Bundle/CoreBundle/MessageHandler/ImageConversionHandler.php

@@ -134,7 +134,9 @@ private function markArticlesMediaAsUpdated($image)
         /** @var ImageRenditionInterface[] $articleMedia */
         $articleMedia = $this->imageRenditionRepository->findBy(['image' => $image]);
         foreach ($articleMedia as $media) {
-            $media->getMedia()->getArticle()->setMediaUpdatedAt(new DateTime());
+            $article = $media->getMedia()->getArticle();
+            $article->setMediaUpdatedAt(new DateTime());
+            $article->cancelTimestampable(true);
         }
     }