Prefer empty() over length()

src/CombinedImagePackModel.cpp

@@ -60,7 +60,7 @@ CombinedImagePackModel::data(const QModelIndex &index, int role) const
             return QStringLiteral(
                      "<img data-mx-emoticon height=32 src=\"%1\" alt=\"%2\" title=\"%2\">")
               .arg(QString::fromStdString(images[index.row()].image.url).toHtmlEscaped(),
-                   images[index.row()].image.body.length() > 0
+                   !images[index.row()].image.body.empty()
                      ? QString::fromStdString(images[index.row()].image.body)
                      : images[index.row()].shortcode);
         case Roles::Url: