Fix MANAGE_IDX_TEMPLATE privilege to allow component_template/* (#6…

…6514) (#66581)

(cherry picked from commit bcc28e0)
Signed-off-by: Andrei Dan <andrei.dan@elastic.co>

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/security/authz/privilege/ClusterPrivilegeResolver.java

@@ -69,7 +69,7 @@ public class ClusterPrivilegeResolver {
     private static final Set<String> TRANSPORT_CLIENT_PATTERN = Collections.unmodifiableSet(
         Sets.newHashSet("cluster:monitor/nodes/liveness", "cluster:monitor/state"));
     private static final Set<String> MANAGE_IDX_TEMPLATE_PATTERN = Collections.unmodifiableSet(Sets.newHashSet("indices:admin/template/*",
-            "indices:admin/index_template/*"));
+            "indices:admin/index_template/*", "cluster:admin/component_template/*"));
     private static final Set<String> MANAGE_INGEST_PIPELINE_PATTERN = Collections.singleton("cluster:admin/ingest/pipeline/*");
     private static final Set<String> MANAGE_ROLLUP_PATTERN = Collections.unmodifiableSet(
         Sets.newHashSet("cluster:admin/xpack/rollup/*", "cluster:monitor/xpack/rollup/*"));