The expectation with --cgroups=disabled is that the current cgroup is
used by the container.
Currently the --cgroups=disabled is passed directly to the OCI
runtime, but it doesn't stop Podman from creating a new cgroup when it
doesn't own the current one.
Closes: https://github.com/containers/podman/issues/20910
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>