Alert module improvement

[Rigueur]

Is your feature request related to a problem? Please describe.

It's not a problem, just some improvement that can be made in the future for the alert module

Describe the solution you'd like

• Replace sleep in the jobs with Scheduler
• Allow the admin to set the time between the re-execution of jobs (admin and user) via the interface
• Allow the admin to customize alert messages
• Rename job alerts to have the agentj namespace
• Study the possibility to merge the User / Admin jobs and pass a params defining the target
• Change alert interface in dashboard (see User overview below, resume pagination search etc... add the possibility to filter by read / unread)
• Add a link to the Alerts page in the sidebar menu