Comment 0 for bug 1942037

[Impact]
The group of dbus-daemon-launch-helper is wrong

[Test Case]
The group of dbus-daemon-launch-helper should be "messagebus"

[Where problems could occur]
dbus-daemon-launch-helper is owned by "root:kvm", instead of "root:messagebus"
$ ls -n usr/lib/dbus-1.0/dbus-daemon-launch-helper
-rwsr-xr-- 1 0 108 51344 Jun 12 2020 usr/lib/dbus-1.0/dbus-daemon-launch-helper
$ grep -r -e "108" etc/group
kvm:x:108:

[Other Info]
rootfs: https://cloud-images.ubuntu.com/focal/current/focal-server-cloudimg-amd64-root.tar.xz

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Private bug: LP: #1923873