Fixed an issue that caused wrong inserten order of dock widget when dropping a floating widget to the left or top container drop area

src/DockContainerWidget.cpp

@@ -415,9 +415,10 @@ void DockContainerWidgetPrivate::dropIntoContainer(CFloatingDockContainer* Float
 	}
 	else if (FloatingSplitter->orientation() == InsertParam.orientation())
 	{
+        int InsertIndex = InsertParam.append() ? Splitter->count() : 0;
 		while (FloatingSplitter->count())
 		{
-			insertWidgetIntoSplitter(Splitter, FloatingSplitter->widget(0), InsertParam.append());
+            Splitter->insertWidget(InsertIndex++, FloatingSplitter->widget(0));
 		}
 	}
 	else