Qt Designer: Prepare for deprecation of classes in Qt 6

- Use auto for QStringRef.
- Use auto for QList and iterators, refactoring some loops.

Task-number: QTBUG-79896
Change-Id: I065d5b6d49404e51a10a7e1d7373eff41f9cb032
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/designer/src/designer/qdesigner_workbench.cpp b/src/designer/src/designer/qdesigner_workbench.cpp
index 6262747dd..aec582e91 100644
--- a/src/designer/src/designer/qdesigner_workbench.cpp
+++ b/src/designer/src/designer/qdesigner_workbench.cpp
@@ -235,7 +235,7 @@ QDesignerWorkbench::QDesignerWorkbench()  :
     { // Add application specific options pages
         QDesignerAppearanceOptionsPage *appearanceOptions = new QDesignerAppearanceOptionsPage(m_core);
         connect(appearanceOptions, &QDesignerAppearanceOptionsPage::settingsChanged, this, &QDesignerWorkbench::notifyUISettingsChanged);
-        QList<QDesignerOptionsPageInterface*> optionsPages = m_core->optionsPages();
+        auto optionsPages = m_core->optionsPages();
         optionsPages.push_front(appearanceOptions);
         m_core->setOptionsPages(optionsPages);
     }