bluez5: check if we have any codecs before trying to register
Don't try to register A2DP / BAP with BlueZ if we don't have any codecs for that.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Don't try to register A2DP / BAP with BlueZ if we don't have any codecs for that.