refactor(widget): make contentDialog use swapItemsAt in Qt 5.13

src/widget/contentdialog.cpp

@@ -69,7 +69,11 @@ ContentDialog::ContentDialog(QWidget* parent)
                friendLayout->getLayoutOffline()};
 
     if (s.getGroupchatPosition()) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 13, 0))
+        layouts.swapItemsAt(0, 1);
+#else
         layouts.swap(0, 1);
+#endif
     }
 
     QWidget* friendWidget = new QWidget();
@@ -399,7 +403,12 @@ void ContentDialog::reorderLayouts(bool newGroupOnTop)
 {
     bool oldGroupOnTop = layouts.first() == groupLayout.getLayout();
     if (newGroupOnTop != oldGroupOnTop) {
+        // Kriby: Maintain backwards compatibility
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 13, 0))
+        layouts.swapItemsAt(0, 1);
+#else
         layouts.swap(0, 1);
+#endif
     }
 }