Layouting: Handle attach types via setter

Change-Id: I862f5cd109db3582b4f029787ec0cded2da39ce6
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/projectexplorer/codestylesettingspropertiespage.cpp

@@ -52,8 +52,9 @@ CodeStyleSettingsWidget::CodeStyleSettingsWidget(Project *project)
 
     Column {
         Row { new QLabel(Tr::tr("Language:")), languageComboBox, st },
-        stackedWidget
-    }.attachTo(this, WithoutMargins);
+        stackedWidget,
+        noMargin
+    }.attachTo(this);
 }
 
 } // ProjectExplorer::Internal