Fix open path won't work correctly

Previously, if double click on the Size number in torrent content tab
the path would be an incorrect value and as such open path functionality
won't work, this commit fixes it.

src/gui/properties/propertieswidget.cpp

@@ -545,8 +545,9 @@ void PropertiesWidget::openFolder(const QModelIndex &index, const bool containin
     // FOLDER
     if (m_propListModel->itemType(index) == TorrentContentModelItem::FolderType) {
         // Generate relative path to selected folder
-        QStringList pathItems {index.data().toString()};
-        QModelIndex parent = m_propListModel->parent(index);
+        const QModelIndex nameIndex {index.sibling(index.row(), TorrentContentModelItem::COL_NAME)};
+        QStringList pathItems {nameIndex.data().toString()};
+        QModelIndex parent = m_propListModel->parent(nameIndex);
         while (parent.isValid()) {
             pathItems.prepend(parent.data().toString());
             parent = m_propListModel->parent(parent);