Restoring Red Hat Satellite Server from existing backup fails with permission error

Issue

• Restoring backup of Red Hat Satellite server fails with below error:

  # satellite-maintain restore /var/backup_directory
  Restore candlepin postgresql dump from backup: 
  \ Restoring candlepin dump                                            [FAIL]    
  Failed executing runuser - postgres -c 'pg_restore -C -d postgres /var/satellite-backup-path/candlepin.dump', exit status 1:
  pg_restore: '[archiver]' could not open input file "/var/satellite-backup-path/candlepin.dump": Permission denied
  
  Scenario [Restore backup] failed.
  
  The following steps ended up in failing state:
  
   [restore-candlepin-dump]
  
  Resolve the failed steps and rerun
  the command. In case the failures are false positives,
  use --whitelist="restore-candlepin-dump"