def _setDefaultFeatureApplicationStates(self):
        for tag in self._featureTags:
            if tag in defaultOnFeatures:
                state = True
            else:
                state = False
            self._featureApplicationStates[tag] = state
Activate all features defined as on by
dataset/ETHPy150Open typesupply/compositor/Lib/compositor/tables.py/BaseTable._setDefaultFeatureApplicationStates