Following #48, I managed to use indicator-applet removing configuration file ~/.config/autostart/gnome-power-manager.desktop and launching indicator-applet-complete.
And I confirm as androith that the behaviour is shown only using gnome-power-manager applet not integrated into indicator-applet. But not all ubuntuers are using vanilla gnome desktop and indicator-application.
Following #48, I managed to use indicator-applet removing configuration file ~/.config/ autostart/ gnome-power- manager. desktop and launching indicator- applet- complete. application.
And I confirm as androith that the behaviour is shown only using gnome-power-manager applet not integrated into indicator-applet. But not all ubuntuers are using vanilla gnome desktop and indicator-