Support require_all_comps_packages on DNF backend
    
    It's not a great name anymore though, because it will fail the compose
    if any input package is missing, no matter whether it's from comps,
    prepopulate or additional_packages.
    
    JIRA: RHELCMP-12484
    Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>