Revert change to twitter_archiver

As per discussion at: https://github.com/bellingcat/auto-archiver/pull/165#discussion_r1905930837

src/auto_archiver/archivers/twitter_archiver.py

@@ -162,7 +162,8 @@ class TwitterArchiver(Archiver):
             .set_timestamp(timestamp)
         if not tweet.get("entities", {}).get("media"):
             logger.debug('No media found, archiving tweet text only')
-            return result.success("twitter-ytdl")
+            result.status = "twitter-ytdl"
+            return result
         for i, tw_media in enumerate(tweet["entities"]["media"]):
             media = Media(filename="")
             mimetype = ""