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/rollup/get",
        "cluster:monitor/xpack/rollup/get/caps",
        "cluster:monitor/xpack/searchable_snapshots/stats",
        "cluster:monitor/xpack/security/saml/metadata",
        "cluster:monitor/xpack/spatial/stats",
        "cluster:monitor/xpack/sql/async/status", 
        "cluster:monitor/xpack/sql/stats/dist",
        "cluster:monitor/xpack/ssl/certificates/get",
        "cluster:monitor/xpack/usage",
        "cluster:monitor/xpack/usage/aggregate_metric",
        "cluster:monitor/xpack/usage/analytics",
        "cluster:monitor/xpack/usage/archive",
        "cluster:monitor/xpack/usage/ccr",
        "cluster:monitor/xpack/usage/data_lifecycle",
        "cluster:monitor/xpack/usage/data_streams",
        "cluster:monitor/xpack/usage/data_tiers",
        "cluster:monitor/xpack/usage/enrich",
        "cluster:monitor/xpack/usage/enterprise_search",
        "cluster:monitor/xpack/usage/eql",
        "cluster:monitor/xpack/usage/esql",
        "cluster:monitor/xpack/usage/frozen_indices",
        "cluster:monitor/xpack/usage/graph",
        "cluster:monitor/xpack/usage/health_api",
        "cluster:monitor/xpack/usage/ilm",
        "cluster:monitor/xpack/usage/logstash",
        "cluster:monitor/xpack/usage/ml",
        "cluster:monitor/xpack/usage/monitoring",
        "cluster:monitor/xpack/usage/remote_clusters",
        "cluster:monitor/xpack/usage/rollup",
        "cluster:monitor/xpack/usage/searchable_snapshots",