Adding "Save path" column

because it's useful when moving files

It's the same path as in properties because that's consistent

src/transferlistwidget.cpp

@@ -123,6 +123,7 @@ TransferListWidget::TransferListWidget(QWidget *parent, MainWindow *main_window,
     setColumnHidden(TorrentModelItem::TR_AMOUNT_UPLOADED, true);
     setColumnHidden(TorrentModelItem::TR_AMOUNT_LEFT, true);
     setColumnHidden(TorrentModelItem::TR_TIME_ELAPSED, true);
+    setColumnHidden(TorrentModelItem::TR_SAVE_PATH, true);
   }
 
   setContextMenuPolicy(Qt::CustomContextMenu);