QmlJS[|Editor|Tools]: Use Qt5-style connects

The heavy lifting was done by clazy.

Change-Id: I56550546b341d486d321329e9a90b9369d56af40
Reviewed-by: Marco Benelli <marco.benelli@qt.io>

src/plugins/qmljstools/qmljstoolsplugin.h

@@ -58,20 +58,20 @@ public:
     ShutdownFlag aboutToShutdown();
     ModelManager *modelManager() { return m_modelManager; }
 
-private slots:
+private:
     void onTaskStarted(Core::Id type);
     void onAllTasksFinished(Core::Id type);
 
-#ifdef WITH_TESTS
-    void test_basic();
-#endif
-
-private:
     ModelManager *m_modelManager;
     QmlJSToolsSettings *m_settings;
     QAction *m_resetCodeModelAction;
 
     static QmlJSToolsPlugin *m_instance;
+
+#ifdef WITH_TESTS
+private slots:
+    void test_basic();
+#endif
 };
 
 } // namespace Internal