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/test/java/org/elasticsearch/xpack/core/security/authz/store/ReservedRolesStoreTests.java
.toList(),
                        containsInAnyOrder(readCrossClusterIndicesPrivileges)
                    );
                    rolesWithRemoteIndicesPrivileges.add(roleDescriptor.getName());
                }
            } else {
                assertThat(roleDescriptor.hasRemoteIndicesPrivileges(), is(false));
                assertThat(roleDescriptor.getRemoteIndicesPrivileges(), emptyArray());
                assertThat(role.remoteIndices(), is(RemoteIndicesPermission.NONE));
            }
        }
        if (TcpTransport.isUntrustedRemoteClusterEnabled()) {
            assertThat(rolesWithRemoteIndicesPrivileges, containsInAnyOrder("kibana_system", "monitoring_user"));
        } else {
            assertThat(rolesWithRemoteIndicesPrivileges, emptyIterable());
        }
    }
    private void assertAllIndicesAccessAllowed(Role role, String index) {
        logger.info("index name [{}]", index);
        assertThat(role.indices().allowedIndicesMatcher("indices:foo").test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher("indices:bar").test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(DeleteIndexAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(GetIndexAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(CreateIndexAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(IndexAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(DeleteAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(UpdateSettingsAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(SearchAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(MultiSearchAction.NAME).test(mockIndexAbstraction(index)), is(true));
        assertThat(role.indices().allowedIndicesMatcher(GetAction.NAME).test(mockIndexAbstraction(index)), is(true));