Adds the detailed alert skeleton for alert management
What does this MR do?
Adds basic skeleton and tabs for the detailed view of alerts in alert management.
Changelog not required as the feature is behind the alert-management-minimal flag and not released.
issue: #213911 (closed) & #216203 (closed)
Screenshots
Does this MR meet the acceptance criteria?
Conformity
Edited by Rémy Coutable