enabled antialiasing for Layouts::HeaderView

app/settings/delegates/layoutsheaderview.cpp

@@ -41,6 +41,8 @@ HeaderView::HeaderView(Qt::Orientation orientation, QWidget *parent)
 
 void HeaderView::paintSection(QPainter *painter, const QRect &rect, int logicalIndex) const
 {   
+    painter->setRenderHint(QPainter::Antialiasing, true);
+
     if (logicalIndex == Model::Layouts::BACKGROUNDCOLUMN) {
         QString text = model()->headerData(Model::Layouts::BACKGROUNDCOLUMN, Qt::Horizontal, Qt::DisplayRole).toString();
         QIcon icon = model()->headerData(Model::Layouts::BACKGROUNDCOLUMN, Qt::Horizontal, Qt::DecorationRole).value<QIcon>();