rtpbitrateadapter: Allow lower framerates if higher ones not available
rtpbitrateadapter: Allow lower framerates if higher ones not available

If the higher framerates are not available, allow the lower ones

tieto/farstream,kakaroto/farstream,pexip/farstream,shadeslayer/farstream,tieto/farstream,shadeslayer/farstream,pexip/farstream,kakaroto/farstream,kakaroto/farstream,pexip/farstream,kakaroto/farstream,tieto/farstream,pexip/farstream,tieto/farstream,shadeslayer/farstream,tieto/farstream,shadeslayer/farstream