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/security/src/test/java/org/elasticsearch/xpack/security/authz/RBACEngineTests.java
RuntimeException.class,
            () -> engine.checkPrivileges(authzInfo, privilegesToCheck2, privs, new PlainActionFuture<>())
        );
        assertThat(e1, is(stallCheckException));
    }
    public void testIsCompleteMatch() throws Exception {
        final List<ApplicationPrivilegeDescriptor> privs = new ArrayList<>();
        final ApplicationPrivilege kibanaRead = defineApplicationPrivilege(privs, "kibana", "read", "data:read/*");
        final ApplicationPrivilege kibanaWrite = defineApplicationPrivilege(privs, "kibana", "write", "data:write/*");
        Role role = Role.builder(RESTRICTED_INDICES, "test-write")
            .cluster(Set.of("monitor"), Set.of())
            .add(IndexPrivilege.READ, "read-*")
            .add(IndexPrivilege.ALL, "all-*")
            .addApplicationPrivilege(kibanaRead, Collections.singleton("*"))
            .build();
        RBACAuthorizationInfo authzInfo = new RBACAuthorizationInfo(role, null);
        assertThat(
            hasPrivileges(indexPrivileges("read", "read-123", "read-456", "all-999"), authzInfo, privs, "monitor").allChecksSuccess(),
            is(true)
        );
        assertThat(
            hasPrivileges(indexPrivileges("read", "read-123", "read-456", "all-999"), authzInfo, privs, "manage").allChecksSuccess(),
            is(false)
        );
        assertThat(
            hasPrivileges(indexPrivileges("write", "read-123", "read-456", "all-999"), authzInfo, privs, "monitor").allChecksSuccess(),
            is(false)
        );
        assertThat(
            hasPrivileges(indexPrivileges("write", "read-123", "read-456", "all-999"), authzInfo, privs, "manage").allChecksSuccess(),