[Browser] Do not show "Unreachable" servers when ping filter is enabled

apps/browser/MySortFilterProxyModel.cpp

@@ -15,11 +15,12 @@ bool MySortFilterProxyModel::filterAcceptsRow(int sourceRow, const QModelIndex &
     QModelIndex plIndex = sourceModel()->index(sourceRow, ServerData::PLAYERS, sourceParent);
     QModelIndex maxPlIndex = sourceModel()->index(sourceRow, ServerData::MAX_PLAYERS, sourceParent);
 
-    int ping = sourceModel()->data(pingIndex).toInt();
+    bool pingOk;
+    int ping = sourceModel()->data(pingIndex).toInt(&pingOk);
     int players =  sourceModel()->data(plIndex).toInt();
     int maxPlayers =  sourceModel()->data(maxPlIndex).toInt();
 
-    if (maxPing > 0 && (ping == -1 || ping > maxPing))
+    if (maxPing > 0 && (ping == -1 || ping > maxPing || !pingOk))
         return false;
     if (filterEmpty && players == 0)
         return false;