Description of problem:
Web Console: Enabling replication for a suffix causes Ooops

Version-Release number of selected component (if applicable):
cockpit-389-ds-2.3.6-6.module+el9dsrv+20623+7a2dd55b.noarch

How reproducible:
Always

Steps to Reproduce:
1. Create a suffix
dsconf... backend create --suffix="ou=people,dc=example,dc=com" --be-name="people" --parent-suffix="dc=example,dc=com"

2. Enable Replication from Web Console

https://9ds0.example.com:9090/389-console
Replication -> Suffixes -> ou=people,dc=example,dc=com
[Enable Replication]
Set only Password

3. Select Replication -> Suffixes -> ou=people,dc=example,dc=com

4. Get Ooops!
Unexpected error
Cockpit had an unexpected internal error.

Actual results:
Get Ooops!

Expected results:
Don't get Ooops!

Additional info: