debugger: sort entries in Windows->Views the same way as in the dock context menus

Task-number: QTCREATORBUG-6179
Change-Id: I1bc02ebce6de7ff5c12d7baf7c585a414f3972d5
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/debuggermainwindow.h

@@ -73,6 +73,7 @@ public:
 
     // Dockwidgets are registered to the main window.
     QDockWidget *createDockWidget(const DebuggerLanguage &language, QWidget *widget);
+    void addStagedMenuEntries();
 
     QWidget *createContents(Core::IMode *mode);
     QMenu *createPopupMenu();