Restores this profile from settings.
        
        :param      settings | <QSettings>

def restoreSettings(self, settings, merge=False, loadProfile=True):
        """
        Restores this profile from settings.
        
        :param      settings | <QSettings>
        """
        value = unwrapVariant(settings.value('profile_toolbar'))
        if not value:
            return
        
        self.loadString(value, merge, loadProfile=loadProfile)