[ML] Make GetJobStats work with arbitrary wildcards and groups (#36683)

The /_ml/anomaly_detectors/{job}/_stats endpoint now
works correctly when {job} is a wildcard or job group.

Closes #34745

Author: henriquegoncalves98

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ml/action/GetJobsStatsAction.java

@@ -118,7 +118,7 @@ public boolean allowNoJobs() {
 
         @Override
         public boolean match(Task task) {
-            return OpenJobAction.JobTaskMatcher.match(task, jobId);
+            return expandedJobsIds.stream().anyMatch(jobId -> OpenJobAction.JobTaskMatcher.match(task, jobId));
         }
 
         @Override

x-pack/plugin/ml/src/test/java/org/elasticsearch/xpack/ml/action/TransportGetJobsStatsActionTests.java

@@ -39,7 +39,7 @@ public void testDetermineJobIds() {
 
         result = determineJobIdsWithoutLiveStats(Arrays.asList("id1", "id2", "id3"),
                 Collections.singletonList(new GetJobsStatsAction.Response.JobStats("id1", new DataCounts("id1"), null, null,
-                        JobState.CLOSED, null, null, null))
+                        JobState.OPENED, null, null, null))
         );
         assertEquals(2, result.size());
         assertEquals("id2", result.get(0));