Stephane de Labrusse

The PR is a work on the new page CoreAppUpdates following the new mockup, it includes the API and the relevant UI https://github.com/NethServer/dev/issues/6991

The PR intends to remove a local image when we remove a module both in case the module is on a worker or a leader node https://github.com/NethServer/dev/issues/7054

According the documentation of msmtp the settings none does not exist, but off needs to be used https://marlam.de/msmtp/msmtp.html `–auth[=(on|off|method)]` `sendmail: /etc/msmtprc: line 7: invalid argument none for command auth`

Introduce a new route for metrics settings, enhance the settings page with a metrics tile, and implement a script to retrieve metrics IDs. Additionally, update translation files to support metrics...

Introduce the Applications Center view for managing and installing applications, including navigation updates and new modals for instance management and restart confirmation. Add translations for the new features and ensure...