Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=2065015

Description of problem:
"Sync Connect Timeout" settings takes invalid value and shows update successful but doesn't reflect the change for invalid values.

Version-Release number of selected component (if applicable):
6.10.4 and 7.0

How reproducible:
Always

Steps to Reproduce:
UI:
1. Administer -> Settings -> Content -> Sync Connection Timeout
2. Edit the value to any invalid value eg. -1 and submit it

CLI:
hammer settings set --id sync_connect_timeout_v2 --value -1

Actual results:
UI:
Displays value updated successfully but doesn't get reflected on the value

CLI:
Setting [sync_connect_timeout_v2] updated to [60].

Expected results:
Error should be displayed for invalid values

Additional info:
This behavior is consistent on CLI, API and UI.