ALSA UCM error for Scarlett 18i20 Gen2 with new profile introduced in 1.2.14

alsa-project/alsa-ucm-conf issue #559 was opened from chw90:

I run the Focusrite 18i20 Gen2 on Arch Linux and the recent update of alsa-ucm-conf from 1.2.13-2 to 1.2.14-2 broke the audio output of my device.

`May 11 10:33:55 chw90 wireplumber[1636]: spa.alsa: Error in ALSA UCM profile for _ucm0009.hw:USB,0 (HiFi: Direct 2: source): CaptureChannels=20 > avail 18`

Reverting to 1.2.13-2 fixes the problem.

Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/559 Repository URL: https://github.com/alsa-project/alsa-ucm-conf