[refactor] Fix issues in activation, make it pass
[refactor] Fix issues in activation, make it pass

TheThingsNetwork/ttn,mgranberry/ttn,jvanmalder/ttn,TheThingsNetwork/ttn,mgranberry/ttn,LoRaWanSoFa/ttn,jvanmalder/ttn,jvanmalder/ttn,mgranberry/ttn,LoRaWanSoFa/ttn,TheThingsNetwork/ttn