fix: show full download path (content_path) for qBittorrent

- Prefer content_path over save_path for qBittorrent torrents
- content_path is the full path to the single file or top-level
  folder for multi-file torrents
- save_path is just the base download directory

server/utils/qbittorrent.js

@@ -198,7 +198,7 @@ function mapTorrentToDownload(torrent) {
     hash: torrent.hash,
     category: torrent.category,
     tags: torrent.tags,
-    savePath: torrent.save_path || torrent.content_path || null,
+    savePath: torrent.content_path || torrent.save_path || null,
     qbittorrent: true
   };
 }