Issue #3264526: If a poster image is not chosen, the playlist field is not saved.

modules/streaming_media_views/src/Form/TranscodeForm.php

@@ -102,10 +102,10 @@ class TranscodeForm extends FormBase {
         'status' => 1,
       ]);
       $mediaObject->set('field_poster', $file);
-
-      $mediaObject->save();
     }
 
+    $mediaObject->save();
+
     \Drupal::messenger()->addMessage(t("Success. Streaming options saved."));
     $form_state->setRedirect('view.media.media_page_list');
   }