Do not mark articles read if download has failed

This change includes: always try to download unread articles matching ruleset already present in list (aka redownload failed items)

src/qtlibtorrent/qbtsession.cpp

@@ -2725,6 +2725,7 @@ void QBtSession::processDownloadedFile(QString url, QString file_path) {
     // Pause torrent if necessary
     if (h.is_valid() && pref.addTorrentsInPause() && Preferences().useAdditionDialog())
         h.pause();
+    emit newDownloadedTorrentFromRss(url);
   }
 }
 

src/qtlibtorrent/qbtsession.h

@@ -212,6 +212,7 @@ signals:
   void trackerError(const QString &hash, QString time, QString msg);
   void trackerAuthenticationRequired(const QTorrentHandle& h);
   void newDownloadedTorrent(QString path, QString url);
+  void newDownloadedTorrentFromRss(QString url);
   void newMagnetLink(const QString& link);
   void updateFileSize(const QString &hash);
   void downloadFromUrlFailure(QString url, QString reason);