Bound the notification app list, and give Focus a real editor

Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8

config/dot/quickshell/modules/settings/WorkspacesPage.qml

@@ -30,12 +30,6 @@ SettingsPage {
         ToggleRow { setting: "windowSwallow"; divider: false }
     }
 
-    SettingsCard {
-        title: "Focus"
-
-        SliderRow { setting: "focusDurationMinutes"; divider: false }
-    }
-
     // Saved here, not created here. A layout is worth recording at the moment
     // you have it right, so saving is a launcher command; this is where the
     // ones you kept are reviewed and the ones you did not are removed.