sd-bus: reorder bus ref and bus message ref handling
    
    Let's always place handling of these references together, so that all
    reference counting during allocation is at a single place.
    
    (cherry picked from commit e593b6a87a335267e5f7238b14683b7f840a01a3)
    Related: CVE-2020-1712
    
    patch_name: 0308-sd-bus-reorder-bus-ref-and-bus-message-ref-handling.patch
    present_in_specfile: true
    location_in_specfile: 308
    squash_commits: true