Operator does not grant expected permission to user MONGODB_CLUSTER_MONITOR_USER

{        "_id" : "admin.clusterMonitor",        "userId" : UUID("1b581b8e-cf06-4c44-b42a-f69ad6bee93f"),        "user" : "clusterMonitor",        "db" : "admin",        "roles" : [                {                        "role" : "clusterMonitor",                        "db" : "admin"                }        ],        "mechanisms" : [                "SCRAM-SHA-1",                "SCRAM-SHA-256"        ]}

db.getSiblingDB("admin").createRole({
    role: "explainRole",
    privileges: [{
        resource: {
            db: "",
            collection: ""
            },
        actions: [
            "listIndexes",
            "listCollections",
            "dbStats",
            "dbHash",
            "collStats",
            "find"
            ]
        }],
    roles:[]
})

db.getSiblingDB("admin").createUser({
   user: "pmm_mongodb",
   pwd: "password",
   roles: [
      { role: "explainRole", db: "admin" },
      { role: "clusterMonitor", db: "admin" },
      { role: "read", db: "local" }
   ]
}
)