When connecting to a powered USB-C dock, the battery state changes to 'Discharging'.
Not connected to USB-C dock nor 5V via barrel jack: 'Charging', actual state is 'Discharging'
Connected to USB-C dock: 'Discharging', actual state is ???
Connected to 5V via barrel jack: 'Charging', actual state is 'Charging'
Not connected to USB-C dock nor 5V via barrel jack: 'Charging', actual state is 'Discharging'
Connected to USB-C dock: 'Discharging', actual state is ???
Connected to 5V via barrel jack: 'Charging', actual state is 'Charging'