Retention policy does not delete old messages

Description:

Global retention policy doesn't delete old message after time fixed in the settings

Steps to reproduce:

1. Apply global retention policy for prunning messages after 90 days
2. Fixe the pruning timer to 1 hour
3. Wait and look channel after 90 days

Expected behavior:

all old messages should be deleted

Actual behavior:

All old message (previous to 90 days) are still present in each channel/room

Server Setup Information:

• Version of Rocket.Chat Server: 5.3.1
• Operating System: CentOS 7
• Deployment Method: Docker swarm
• Number of Running Instances: 12 backends Rocket.Chat
• DB Replicaset Oplog: enabled
• NodeJS Version: v14.19.3
• MongoDB Version: 4.4.18

Client Setup Information

Desktop App or Browser Version: Chrome , Firefox, Desktop:

Additional context

Pruning old messages worked fine in old version of Rocket.Chat and I think since version 4.x.x the purge didn't work

Relevant logs:

Start by reproducing the global retention-policy behavior with a 90-day threshold and a one-hour pruning timer, using the server and deployment details in the report. Trace the retention and pruning paths to identify why messages remain in channels, then verify that messages older than the configured age are removed and add or update regression coverage if the relevant test area is found.