Redesign Tails Server GUI

Originally created by @segfault on #15300 (Redmine)

The Tails Server GUI would look a lot better and provide better UX if we would adopt the new design of the GNOME settings application.

Attachments

• 1 - Main Window.png
• 2 - Main Window (scrolled down).png
• 3 - Connect & Invite Others.png
• 4 - Address
• 5 - Password.png
• 7 - Persistence.png
• 8 - Autostart.png
• 9 - Fingerprint.png

Parent Task: #5688 (closed)

Related issues

• Blocked by #15899 (closed)