Charlie Sale authored Aug 11, 2021 and Allan McRae committed Sep 04, 2021

When downloading in parallel, sort by package size so that the larger
packages are queued first to fully leverage parallelism.
Addresses FS#70172

Signed-off-by: Charlie Sale <softwaresale01@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>