restraint and restraint-rhts do not work with image mode/ostree system

[henrywang]

The restraint and restraint-rhts should be install with rpm-ostree install.

The restraint-rhts should fix /mnt issue.

The restraint should be built into bootc image, but it reports a lot of selinux error:

Installing       : restraint-0.4.5-1.el9.x86_64                           3/3 
  Running scriptlet: restraint-0.4.5-1.el9.x86_64                           3/3 
Could not set context for /etc/selinux/targeted/tmp/booleans.local:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/commit_num:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/file_contexts:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/file_contexts.homedirs:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/homedir_template:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/abrt/cil:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/abrt/hll:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/abrt/lang_ext:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/abrt:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/accountsd/cil:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/accountsd/hll:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/accountsd/lang_ext:  Operation not supported
Could not set context for /etc/selinux/targeted/tmp/modules/100/accountsd:  Operation not supported