[System Test] Rollback to zero messages seen when running with CDC enabled

This could be expected behaviour, but still worth looking into since the test is being run with CDC enabled.

Seen on 172.23.97.109 : index

/opt/couchbase/var/lib/couchbase/logs/indexer.log.1.gz:2023-04-18T04:48:19.880-07:00 [Info] StorageMgr::handleRollback Rollback Index: 15023745546138332509 PartitionId: 1 SliceId: 0 To Zero
/opt/couchbase/var/lib/couchbase/logs/indexer.log.1.gz:2023-04-18T04:48:19.880-07:00 [Info] StorageMgr::rollbackAllToZero INIT_STREAM bucket2:scope_2:coll_3
/opt/couchbase/var/lib/couchbase/logs/indexer.log.1.gz:2023-04-18T04:48:19.889-07:00 [Info] StorageMgr::handleRollback Rollback Index: 15023745546138332509 PartitionId: 1 SliceId: 0 To Zero
/opt/couchbase/var/lib/couchbase/logs/indexer.log.1.gz:2023-04-18T04:48:20.241-07:00 [Info] StorageMgr::handleRollback Rollback Index: 14117315210560320627 PartitionId: 2 SliceId: 0 To Zero

url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.105.122.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.106.171.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.106.30.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.96.198.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.96.230.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.96.245.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.97.100.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.97.108.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.97.109.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.97.66.zip
url : https://cb-jira.s3.us-east-2.amazonaws.com/logs/systestmon-1681821586/collectinfo-2023-04-18T123948-ns_1%40172.23.97.67.zip