### CI Link

https://gradle-enterprise.elastic.co/s/2wbpgc72g2qsm/tests/:server:internalClusterTest/org.elasticsearch.snapshots.SnapshotStressTestsIT/testRandomActivities?top-execution=1

### Repro line

./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.SnapshotStressTestsIT.testRandomActivities" -Dtests.seed=7FD24A23B626E47 -Dtests.locale=sq-AL -Dtests.timezone=Asia/Khandyga -Druntime.java=20

### Does it reproduce?

No

### Applicable branches

8.8

### Failure history

https://gradle-enterprise.elastic.co/scans/tests?search.startTimeMax=1689083199013&search.startTimeMin=1688418000000&search.timeZoneId=Europe/Bucharest&tests.container=org.elasticsearch.snapshots.SnapshotStressTestsIT&tests.test=testRandomActivities

### Failure excerpt

```
java.lang.AssertionError: java.lang.AssertionError: java.lang.NullPointerException: Cannot invoke "org.elasticsearch.cluster.SnapshotsInProgress$Entry.failure()" because "entry" is null
	at __randomizedtesting.SeedInfo.seed([7FD24A23B626E47]:0)
	at org.elasticsearch.snapshots.SnapshotsService.finalizeSnapshotEntry(SnapshotsService.java:1460)
	at org.elasticsearch.snapshots.SnapshotsService.runNextQueuedOperation(SnapshotsService.java:1548)
	at org.elasticsearch.snapshots.SnapshotsService.lambda$finalizeSnapshotEntry$28(SnapshotsService.java:1441)
	at org.elasticsearch.action.ActionListener$2.onResponse(ActionListener.java:158)
	at org.elasticsearch.repositories.FinalizeSnapshotContext.onResponse(FinalizeSnapshotContext.java:117)
	at org.elasticsearch.repositories.blobstore.BlobStoreRepository.lambda$finalizeSnapshot$41(BlobStoreRepository.java:1390)
	at org.elasticsearch.action.ActionListener$2.onResponse(ActionListener.java:158)
	at org.elasticsearch.action.ActionRunnable$2.accept(ActionRunnable.java:50)
	at org.elasticsearch.action.ActionRunnable$2.accept(ActionRunnable.java:47)
	at org.elasticsearch.action.ActionRunnable$3.doRun(ActionRunnable.java:72)
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:983)
	at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:26)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1623)
Caused by: java.lang.AssertionError: java.lang.NullPointerException: Cannot invoke "org.elasticsearch.cluster.SnapshotsInProgress$Entry.failure()" because "entry" is null
	... 15 more
Caused by: java.lang.NullPointerException: Cannot invoke "org.elasticsearch.cluster.SnapshotsInProgress$Entry.failure()" because "entry" is null
	at org.elasticsearch.snapshots.SnapshotsService.finalizeSnapshotEntry(SnapshotsService.java:1324)
	... 14 more
```
server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java
blobs,
                shardContainer,
                generation
            );
            BlobStoreIndexShardSnapshots snapshots = tuple.v1();
            ShardGeneration fileListGeneration = tuple.v2();
            if (snapshots.snapshots().stream().anyMatch(sf -> sf.snapshot().equals(snapshotId.getName()))) {
                throw new IndexShardSnapshotFailedException(
                    shardId,
                    "Duplicate snapshot name [" + snapshotId.getName() + "] detected, aborting"
                );
            }
            // 
            final List<BlobStoreIndexShardSnapshot.FileInfo> filesFromSegmentInfos = Optional.ofNullable(context.stateIdentifier())
                .map(id -> {
                     (SnapshotFiles snapshotFileSet : snapshots.snapshots()) {
                        if (id.equals(snapshotFileSet.shardStateIdentifier())) {
                            return snapshotFileSet.indexFiles();
                        }
                    }
                    return null;
                })
                .orElse(null);
            final List<BlobStoreIndexShardSnapshot.FileInfo> indexCommitPointFiles;
            int indexIncrementalFileCount = 0;
            int indexTotalNumberOfFiles = 0;
            long indexIncrementalSize = 0;
            long indexTotalFileSize = 0;
            final BlockingQueue<BlobStoreIndexShardSnapshot.FileInfo> filesToSnapshot = new LinkedBlockingQueue<>();
            int filesInShardMetadataCount = 0;