Monitoring data can now be stored in `metrics-*` patterns when collected through elastic-agent. [Our documentation](https://www.elastic.co/guide/en/kibana/current/monitoring-data.html) recommends to use the `monitoring_user` role to view the data in Stack Monitoring application but that role does not have permissions to read from the metrics pattern.

`monitoring_user` should be allowed the same permissions on `metrics-*` as `.monitoring-*`
x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/security/authz/store/ReservedRolesStore.java
new RoleDescriptor.IndicesPrivileges[] {
                        RoleDescriptor.IndicesPrivileges.builder()
                            .indices(".logstash*")
                            .privileges("create", "delete", "index", "manage", "read")
                            .allowRestrictedIndices(true)
                            .build() },
                    null,
                    MetadataUtils.DEFAULT_RESERVED_METADATA
                )
            )
            .put(
                "rollup_user",
                new RoleDescriptor("rollup_user", new String[] { "monitor_rollup" }, null, null, MetadataUtils.DEFAULT_RESERVED_METADATA)
            )
            .put(
                "rollup_admin",
                new RoleDescriptor("rollup_admin", new String[] { "manage_rollup" }, null, null, MetadataUtils.DEFAULT_RESERVED_METADATA)
            )
            .put(
                "snapshot_user",
                new RoleDescriptor(
                    "snapshot_user",
                    new String[] { "create_snapshot", GetRepositoriesAction.NAME },
                    new RoleDescriptor.IndicesPrivileges[] {
                        RoleDescriptor.IndicesPrivileges.builder()
                            .indices("*")
                            .privileges("view_index_metadata")
                            .allowRestrictedIndices(true)
                            .build() },
                    null,