Everywhere: Run clang-format

Author: https://github.com/IdanHo
Commit: 086969277e
Pull-request: https://github.com/SerenityOS/serenity/pull/12321
Reviewed-by: https://github.com/BertalanD
Reviewed-by: https://github.com/bgianfo ✅

Userland/Libraries/LibWeb/Painting/StackingContext.h

@@ -18,7 +18,7 @@ public:
     StackingContext(Layout::Box&, StackingContext* parent);
 
     StackingContext* parent() { return m_parent; }
-    const StackingContext* parent() const { return m_parent; }
+    StackingContext const* parent() const { return m_parent; }
 
     enum class StackingContextPaintPhase {
         BackgroundAndBorders,