Enable antialiasing for reply button (#5491)

src/messages/layouts/MessageLayoutContainer.cpp

@@ -233,7 +233,9 @@ void MessageLayoutContainer::paintElements(QPainter &painter,
         painter.drawRect(element->getRect());
 #endif
 
+        painter.save();
         element->paint(painter, ctx.messageColors);
+        painter.restore();
     }
 }
 

src/messages/layouts/MessageLayoutElement.cpp

@@ -392,6 +392,7 @@ void ImageWithCircleBackgroundLayoutElement::paint(
     if (pixmap && !this->image_->animated())
     {
         QRectF boxRect(this->getRect());
+        painter.setRenderHint(QPainter::Antialiasing);
         painter.setPen(Qt::NoPen);
         painter.setBrush(QBrush(this->color_, Qt::SolidPattern));
         painter.drawEllipse(boxRect);