Don't cause QHash relayout while using reference to its node

src/base/rss/rss_parser.cpp

@@ -823,15 +823,16 @@ void Parser::addArticle(QVariantHash article)
 {
     QVariant &torrentURL = article[Article::KeyTorrentURL];
     if (torrentURL.toString().isEmpty())
-        torrentURL = article[Article::KeyLink];
+        torrentURL = article.value(Article::KeyLink);
 
     // If item does not have an ID, fall back to some other identifier.
     QVariant &localId = article[Article::KeyId];
     if (localId.toString().isEmpty())
+    {
         localId = article.value(Article::KeyTorrentURL);
         if (localId.toString().isEmpty())
+        {
             localId = article.value(Article::KeyTitle);
-
             if (localId.toString().isEmpty())
             {
                 // The article could not be uniquely identified
@@ -839,6 +840,8 @@ void Parser::addArticle(QVariantHash article)
                 // Just ignore it.
                 return;
             }
+        }
+    }
 
     if (m_articleIDs.contains(localId.toString()))
     {