cluster-readers role is not authorized to view NetworkAttachmentDefinition

Description of problem:
An un-privileged user with cluster-readers role cannot view NetworkAttachmentDefinition resource.

Version-Release number of selected component (if applicable):
oc Version: 4.10.0-202203141248.p0.g6db43e2.assembly.stream-6db43e2
OCP Version: 4.10.4
Kubernetes Version: v1.23.3+e419edf
ose-multus-cni:v4.1.0-7.155662231

How reproducible:
100%

Steps to Reproduce:
1. In an OCP cluster with multus installed - search which roles can view ("get") NetworkAttachmentDefinition resource, and see if "cluster-readers" role is part of this list, by running:
$ oc adm policy who-can get network-attachment-definitions | grep "cluster-reader"

Actual results:
Empty output

Expected results:
Non-empty output with "cluster-readers" in it, e.g. when running the same command for the Namespace resource:
$ oc adm policy who-can get namespace | grep "cluster-reader"
system:cluster-readers