Use getDeviceIds function to list audio devices (#8017)

As of RtAudio 6.0.0 you cannot assume that devices will fall in the
range [0, getDeviceCount() - 1]. Doing so will potentially cause errors
or out of bounds array accesses depending on the platform.

Co-authored-by: 4Evergreen4 <4Evergreen4@users.noreply.github.com>