Description of problem:

 Disconnected upgrade fails to switch postgresql module

How reproducible:
always
 

Is this issue a regression from an earlier version:
Yes
 

Steps to Reproduce:

1. Have a machine with Satellite 6.15
2. Prepare disconnected ISOs of RHEL8 and Satellite, mount them and configure (/etc/yum.repos.d/)
3. Perform upgrade
satellite-maintain upgrade check --whitelist="repositories-validate,repositories-setup"
satellite-maintain upgrade check --whitelist="repositories-validate,repositories-setup"
satellite-maintain upgrade run --whitelist="repositories-validate,repositories-setup"

Actual behavior:
Running satellite-installer : 2024-10-01 09:12:11 [NOTICE] [root] Loading installer configuration. This will take some time.
2024-10-01 09:12:16 [NOTICE] [root] Running installer with log based terminal output at level NOTICE.
2024-10-01 09:12:16 [NOTICE] [root] Use -l to set the terminal output log level to ERROR, WARN, NOTICE, INFO, or DEBUG. See --full-help for definitions.
Package versions are locked. Continuing with unlock.
2024-10-01 09:12:21 [NOTICE] [pre] Performing upgrade of PostgreSQL to 13
2024-10-01 09:12:22 [ERROR ] [root] dnf module switch-to postgresql:12 -y failed! Check the output for error!
[FAIL]
Failed executing satellite-installer, exit status 1
--------------------------------------------------------------------------------
Scenario [Migration scripts] failed.

Expected behavior:
Upgrade is finished successfully

Business Impact / Additional info:

Note:
Connected upgrades (using CDN) are OK