### CI Link

https://gradle-enterprise.elastic.co/s/ou2sap2dhy3q2/tests/:server:internalClusterTest/org.elasticsearch.snapshots.SharedClusterSnapshotRestoreIT/testDataFileFailureDuringSnapshot

### Repro line

./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.snapshots.SharedClusterSnapshotRestoreIT.testDataFileFailureDuringSnapshot" -Dtests.seed=37B64CEE1DCEACEB -Dtests.locale=uk -Dtests.timezone=Africa/Lusaka -Druntime.java=17

### Does it reproduce?

Yes

### Applicable branches

main

### Failure history

_No response_

### Failure excerpt

```
java.lang.Exception: Test abandoned because suite timeout was reached. 
    at __randomizedtesting.SeedInfo.seed([37B64CEE1DCEACEB]:0)
```
server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java
// 
            // 
            // 
            // 
            // 
            // 
            // 
            // 
            // 
            // 
            return listBlobsToGetLatestIndexId();
        } catch (UnsupportedOperationException e) {
            // 
            // 
            try {
                return readSnapshotIndexLatestBlob();
            } catch (NoSuchFileException nsfe) {
                return RepositoryData.EMPTY_REPO_GEN;
            }
        }
    }
    // 
    long readSnapshotIndexLatestBlob() throws IOException {
        final BytesReference content = Streams.readFully(Streams.limitStream(blobContainer().readBlob(INDEX_LATEST_BLOB), Long.BYTES + 1));
        if (content.length() != Long.BYTES) {
            throw new RepositoryException(
                metadata.name(),
                "exception reading blob ["
                    + INDEX_LATEST_BLOB
                    + "]: expected 8 bytes but blob was "