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
"indices:data/write/update/byquery",
        "indices:monitor/data_stream/stats",
        "indices:monitor/field_usage_stats",
        "indices:monitor/fleet/global_checkpoints[s]",
        "indices:monitor/fleet/global_checkpoints",
        "indices:monitor/recovery",
        "indices:monitor/segments",
        "indices:monitor/settings/get",
        "indices:monitor/shard_stores",
        "indices:monitor/stats",
        "indices:monitor/transform/checkpoint",
        "indices:monitor/transform/checkpoint[n]",
        "internal:admin/ccr/internal_repository/delete",
        "internal:admin/ccr/internal_repository/put",
        "internal:admin/ccr/restore/file_chunk/get",
        "internal:admin/ccr/restore/session/clear",
        "internal:admin/ccr/restore/session/put",
        "internal:admin/snapshot/get_shard",
        "internal:admin/xpack/searchable_snapshots/cache/store",
        "internal:admin/xpack/searchable_snapshots/frozen_cache_info",
        "internal:admin/xpack/searchable_snapshots/frozen_cache_info[n]",
        "internal:cluster/nodes/indices/shard/store",
        "internal:cluster/master_history/get",
        "internal:cluster/coordination_diagnostics/info",
        "internal:cluster/formation/info",
        "internal:gateway/local/started_shards",
        "internal:admin/indices/prevalidate_shard_path"
    ).filter(Objects::nonNull).collect(Collectors.toUnmodifiableSet());
}