Don't remove shared temp folder

Don't remove shared temp folder when torrent finished and moved to
its "complete" folder. Only torrents with stripped root folder
have subfolder in temp folder so they should remove it.

src/base/bittorrent/torrenthandle.cpp

@@ -1507,7 +1507,11 @@ void TorrentHandle::handleStorageMovedAlert(libtorrent::storage_moved_alert *p)
     }
 
     qDebug("Torrent is successfully moved from %s to %s", qPrintable(m_moveStorageInfo.oldPath), qPrintable(m_moveStorageInfo.newPath));
-    if (QDir(m_moveStorageInfo.oldPath) == QDir(m_session->torrentTempPath(info()))) {
+    const QDir oldDir {m_moveStorageInfo.oldPath};
+    if ((oldDir == QDir(m_session->torrentTempPath(info())))
+            && (oldDir != QDir(m_session->tempPath()))) {
+        // torrent without root folder still has it in its temporary save path
+        // so its temp path isn't equal to temp path root
         qDebug() << "Removing torrent temp folder:" << m_moveStorageInfo.oldPath;
         Utils::Fs::smartRemoveEmptyFolderTree(m_moveStorageInfo.oldPath);
     }