Fix manual input of bluetooth MAC address
Fix manual input of bluetooth MAC address

(must be uppercase characters)
Freeyourgadget/Gadgetbridge,Freeyourgadget/Gadgetbridge,roidelapluie/Gadgetbridge,Freeyourgadget/Gadgetbridge,Freeyourgadget/Gadgetbridge,danielegobbetti/Gadgetbridge,rosenpin/Gadgetbridge,roidelapluie/Gadgetbridge,ivanovlev/Gadgetbridge,rosenpin/Gadgetbridge,gtank/Gadgetbridge,roidelapluie/Gadgetbridge,ivanovlev/Gadgetbridge,rosenpin/Gadgetbridge,ivanovlev/Gadgetbridge