[BUG] Detail view of an alert crashed when coming from a disconnected datasource

[c3s4rfred]

Describe the bug
When you try to view an alert's detail, if the datasource is disconnected, the view crashes.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Threat management -> Alerts' menu
2. Click on an alert that has this kind of pattern '%Something% is taking longer than usual to send logs'
3. See error

Expected behavior
Handling the error and maybe showing a message explaining the behavior.

Screenshots

Environment

• 10.2 QA