NOISSUE mark used accounts/sessions in selection menus

api/logic/launch/LaunchStep.h

@@ -42,6 +42,8 @@ signals:
 
 public slots:
 	virtual void proceed() {};
+	// called in the opposite order than the Task launch(), used to clean up or otherwise undo things after the launch ends
+	virtual void finalize() {};
 
 protected: /* data */
 	LaunchTask *m_parent;