hidpp20: only set active resolution if there are resolutions on 0x8100
hidpp20: only set active resolution if there are resolutions on 0x8100

This prevents us from trying to set a resolution on keyboards.

Signed-off-by: Filipe Laíns <d780ea131edc6126ff48fa0382b66c02d54b57a5@archlinux.org>

libratbag/libratbag,whot/libratbag,whot/libratbag,libratbag/libratbag,libratbag/libratbag,whot/libratbag