Backport of "wasapi2: Allows process loopback capture on Windows 10" into 1.22
requested to merge tpm/gstreamer:backport-mr-4505-into-1.22-wasapi2-process-loopback-win10 into 1.22
Backport of !4505 (merged) "wasapi2: Allows process loopback capture on Windows 10".
Commits:
- c98ad6f2 wasapi2: Allows process loopback capture on Windows 10