99squash: Only start the cleaner on switch-root
    
    Currently it starts the cleaner early and do the clean up job if switch
    root is called. It's better to just start the service only on switch
    root to avoid any risk of service dependency failure and make is
    simpler.
    
    Signed-off-by: Kairui Song <kasong@redhat.com>
    (cherry picked from commit 5d88809319049eb06e3472dcd11cca9c4557d8c2)
    
    Resolves: #1678248
    
    patch_name: 0059.patch
    present_in_specfile: true
    location_in_specfile: 59
    squash_commits: true