Do not inhibit system sleep/auto shutdown for torrents stuck at downloading metadata

PR #17481.

src/base/bittorrent/session.cpp

@@ -2134,7 +2134,7 @@ bool Session::hasUnfinishedTorrents() const
 {
     return std::any_of(m_torrents.begin(), m_torrents.end(), [](const TorrentImpl *torrent)
     {
-        return (!torrent->isSeed() && !torrent->isPaused() && !torrent->isErrored());
+        return (!torrent->isSeed() && !torrent->isPaused() && !torrent->isErrored() && torrent->hasMetadata());
     });
 }