NetWorker: Save set ssretent shouldn't be allowed to be shorter than ddrltime lock time

Save sets are not able to remove from Data Domain Retention Lock Governance (DDRLG) enabled devices 

The following error is observed in the server daemon.raw:

• Linux: /nsr/logs/daemon.raw
• Windows (Default): C:\Program Files\EMC NetWorker\nsr\logs\daemon.raw
• NetWorker: How to use nsr_render_log to render .raw log files 
  

  71193 06/30/2026 03:44:31 PM  nsrd NSR info Media Info: Unable to remove SSID file '/nwserver/DDBackup/99/71/87030a3c-00000006-00405617-6a405617-00015000-f51fbb56' on device 'DEVICE_NAME': Removing the path '/nwserver/DDBackup/99/71/87030a3c-00000006-00405617-6a405617-00015000-f51fbb56' failed (Deleting '/nwserver/DDBackup/99/71/87030a3c-00000006-00405617-6a405617-00015000-f51fbb56' failed [5520] ([ 8561] [140433236039424] Tue Jun 30 15:43:46 2026
          ddp_unlink() failed, su_name=nwserver, path_name=DDBackup/99/71/87030a3c-00000006-00405617-6a405617-00015000-f51fbb56, Err: 5520-Cannot delete or modify a retention locked file (edited)

Save set's retention time was changed to a time less than DDRL locktime
Example: 

[root@nwserver ~]# mminfo -avot -r ssid,cloneid,name,savetime,ssretent,ssbrowse,ddrltime -q ssid=4216343
 ssid         clone id name                            date    retent   browse  ddrltime
4216343     1782601299 E:\                          06/27/2026 08/01/2026 08/01/2026 07/27/2026

[root@nwserver ~]# nsrmm -S 4216343 -e 06/28/2026 -w  06/28/2026
If this save set has dependents with longer browse or retention periods, the dependent savesets will not be browsable after this saveset's browse and expiration dates.
Are you sure you want to change the browse policy expiration to `Sun Jun 28 00:00:00 2026' and the retention policy expiration to `Sun Jun 28 00:00:00 2026' for this saveset? (yes/no)  [no] yes
The browse time and the retention time for the save set name 'E:\' with save set ID '4216343'have been changed to 'Sun Jun 28 00:00:00 2026' and 'Sun Jun 28 00:00:00 2026', respectively.

[root@nwserver ~]# mminfo -avot -r ssid,cloneid,name,savetime,ssretent,ssbrowse,ddrltime -q ssid=4216343
 ssid         clone id name                            date    retent   browse  ddrltime
4216343     1782601299 E:\                          06/27/2026 06/28/2026 06/28/2026 07/27/2026

Issue identified as defect NETWORKER-133878.

Impacted: NetWorker 19.13.0.3 (and later).

This will be addressed in a future NetWorker release.