Downsampling is broken. Not sure why yet (likely caused by #97557). Invoking the downsample api results into:

```
org.elasticsearch.ElasticsearchSecurityException: no indices permissions found
        at org.elasticsearch.xpack.core.security.support.Exceptions.authorizationError(Exceptions.java:32) ~[?:?]
        at org.elasticsearch.xpack.core.security.authz.accesscontrol.SecurityIndexReaderWrapper.getIndicesAccessControl(SecurityIn
dexReaderWrapper.java:110) ~[?:?]
        at org.elasticsearch.xpack.core.security.authz.accesscontrol.SecurityIndexReaderWrapper.apply(SecurityIndexReaderWrapper.j
ava:76) ~[?:?]
        at org.elasticsearch.xpack.core.security.authz.accesscontrol.SecurityIndexReaderWrapper.apply(SecurityIndexReaderWrapper.j
ava:46) ~[?:?]
        at org.elasticsearch.index.shard.IndexShard.wrapSearcher(IndexShard.java:1590) ~[elasticsearch-8.11.0-SNAPSHOT.jar:?]
        at org.elasticsearch.index.shard.IndexShard.wrapSearcher(IndexShard.java:1561) ~[elasticsearch-8.11.0-SNAPSHOT.jar:?]
        at org.elasticsearch.index.engine.Engine$SearcherSupplier.acquireSearcher(Engine.java:1321) ~[elasticsearch-8.11.0-SNAPSHO
T.jar:?]
        at org.elasticsearch.index.engine.Engine.acquireSearcher(Engine.java:774) ~[elasticsearch-8.11.0-SNAPSHOT.jar:?]
        at org.elasticsearch.index.shard.IndexShard.acquireSearcher(IndexShard.java:1549) ~[elasticsearch-8.11.0-SNAPSHOT.jar:?]
        at org.elasticsearch.xpack.downsample.DownsampleShardIndexer.<init>(DownsampleShardIndexer.java:115) ~[?:?]
        at org.elasticsearch.xpack.downsample.DownsampleShardPersistentTaskExecutor.startDownsampleShardIndexer(DownsampleShardPersistentTaskExecutor.java:111) ~[?:?]
        at org.elasticsearch.xpack.downsample.DownsampleShardPersistentTaskExecutor$1.doRun(DownsampleShardPersistentTaskExecutor.java:87) ~[?:?]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:983) ~[elasticsearch-8.11.0-SNAPSHOT.jar:?]
        at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26) ~[elasticsearch-8.11.0-SNAPSHOT.jar:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]
        at java.lang.Thread.run(Thread.java:1623) ~[?:?]
```
x-pack/plugin/security/qa/operator-privileges-tests/src/javaRestTest/java/org/elasticsearch/xpack/security/operator/Constants.java
"cluster:monitor/xpack/info/sql",
        "cluster:monitor/xpack/info/transform",
        "cluster:monitor/xpack/info/voting_only",
        "cluster:monitor/xpack/info/watcher",
        "cluster:monitor/xpack/license/get",
        "cluster:monitor/xpack/ml/autoscaling/stats/get",
        "cluster:monitor/xpack/ml/calendars/events/get",
        "cluster:monitor/xpack/ml/calendars/get",
        "cluster:monitor/xpack/ml/data_frame/analytics/get",
        "cluster:monitor/xpack/ml/data_frame/analytics/stats/get",
        "cluster:monitor/xpack/ml/data_frame/evaluate",
        "cluster:monitor/xpack/ml/datafeeds/get",
        "cluster:monitor/xpack/ml/datafeeds/stats/get",
        "cluster:monitor/xpack/ml/inference/get",
        "cluster:monitor/xpack/ml/inference/stats/get",
        "cluster:monitor/xpack/ml/info/get",
        "cluster:monitor/xpack/ml/inference/infer",
        "cluster:monitor/xpack/ml/job/get",
        "cluster:monitor/xpack/ml/job/model_snapshots/get",
        "cluster:monitor/xpack/ml/job/model_snapshots/upgrade/stats/get",
        "cluster:monitor/xpack/ml/job/results/buckets/get",
        "cluster:monitor/xpack/ml/job/results/categories/get",
        "cluster:monitor/xpack/ml/job/results/influencers/get",
        "cluster:monitor/xpack/ml/job/results/overall_buckets/get",
        "cluster:monitor/xpack/ml/job/results/records/get",
        "cluster:monitor/xpack/ml/job/stats/get",
        "cluster:monitor/xpack/ml/memory/stats/get",
        "cluster:monitor/xpack/ml/trained_models/deployment/infer",
        "cluster:monitor/xpack/repositories_metering/clear_metering_archive",
        "cluster:monitor/xpack/repositories_metering/get_metrics",