Bluetooth: BAP: use BT_AUDIO_CODEC_QOS_FRAMED for framed presets

The presets used BT_AUDIO_CODEC_QOS directly, but since all the
unframed presets use BT_AUDIO_CODEC_QOS_UNFRAMED, it makes sense
that the framed ones used the corresponding macro.

Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>