Grant new xpack field non-operator access

Author: gmarouli

docs/changelog/134214.yaml

@@ -2,4 +2,5 @@ pr: 134214
 summary: "[Downsampling++] Add time series telemetry in xpack usage"
 area: Downsampling
 type: enhancement
-issues: []
+issues:
+  - 133953

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackField.java

@@ -75,7 +75,7 @@ public final class XPackField {
     /** Name constant for the data stream lifecycle feature. */
     public static final String DATA_STREAM_LIFECYCLE = "data_lifecycle";
     /** Name constant for the time series data streams feature. */
-    public static final String TIME_SERIES_DATA_STREAMS = "time_series_data_streams";
+    public static final String TIME_SERIES_DATA_STREAMS = "time_series";
     /** Name constant for the data tiers feature. */
     public static final String DATA_TIERS = "data_tiers";
     /** Name constant for the aggregate_metric plugin. */

x-pack/plugin/security/qa/operator-privileges-tests/src/javaRestTest/java/org/elasticsearch/xpack/security/operator/Constants.java

@@ -487,6 +487,7 @@ public class Constants {
         "cluster:monitor/xpack/usage/universal_profiling",
         "cluster:monitor/xpack/usage/voting_only",
         "cluster:monitor/xpack/usage/watcher",
+        "cluster:monitor/xpack/usage/time_series",
         "cluster:monitor/xpack/watcher/stats/dist",
         "cluster:monitor/xpack/watcher/watch/get",
         "cluster:monitor/xpack/watcher/watch/query",