Feat: detect if software updares are enabled in KDE

KDE Plasma has a setting to manage automatic updates, we must detect it using the agent as we do for Gnome

<img width="937" height="678" alt="Image" src="https://github.com/user-attachments/assets/3901c470-7c29-4c3d-a436-bc81fee8cb62" />