### 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
AllocationService.firstListElementsToCommaDelimitedString(
                                snapshotIdsWithMissingDetails,
                                SnapshotId::toString,
                                logger.isDebugEnabled()
                            )
                        );
                    }
                    @Override
                    public void onFailure(Exception e) {
                        logger.warn("Failure when trying to load missing details from snapshot metadata", e);
                    }
                }, () -> filterRepositoryDataStep.onResponse(repositoryData.withExtraDetails(extraDetailsMap)))));
            } else {
                filterRepositoryDataStep.onResponse(repositoryData);
            }
        })), listener::onFailure);
        filterRepositoryDataStep.whenComplete(filteredRepositoryData -> {
            final long newGen = setPendingStep.result();
            final RepositoryData newRepositoryData = updateRepositoryData(filteredRepositoryData, version, newGen);
            if (latestKnownRepoGen.get() >= newGen) {
                throw new IllegalArgumentException(
                    "Tried writing generation ["
                        + newGen
                        + "] but repository is at least at generation ["
                        + latestKnownRepoGen.get()
                        + "] already"
                );
            }
            // 
            if (ensureSafeGenerationExists(expectedGen, listener::onFailure) == false) {