Do not hide the tree root item on empty results

addons/search/MatchModel.cpp

@@ -455,7 +455,7 @@ static QString nbsFormated(int number, int width)
 
 QString MatchModel::infoHtmlString() const
 {
-    if (m_matchFiles.isEmpty() && m_searchState == SearchDone) {
+    if (m_matchFiles.isEmpty() && m_searchState == SearchDone && m_lastMatchUrl.isEmpty()) {
         return QString();
     }
 
@@ -975,7 +975,9 @@ Qt::ItemFlags MatchModel::flags(const QModelIndex &index) const
 int MatchModel::rowCount(const QModelIndex &parent) const
 {
     if (!parent.isValid()) {
-        return (m_matchFiles.isEmpty() && m_searchState == SearchDone) ? 0 : 1;
+        return (m_matchFiles.isEmpty() &&
+        m_searchState == SearchDone &&
+        m_lastMatchUrl.isEmpty()) ? 0 : 1;
     }
 
     if (parent.internalId() == InfoItemId) {