Refine notification center and configure native notifications

Keep notification actions and dismiss controls visible, compact and animate history, and add themed icon controls and grouping.

Include notification settings, session integration and documentation, on-demand workspaces, and performance baseline notes.

packaging/config.kdl

@@ -43,3 +43,9 @@ desktop-widgets {
         opacity 0.9
     }
 }
+
+notifications {
+    show-popups #true
+    do-not-disturb #false
+    timeout-ms 6000
+}

packaging/ferese-session

@@ -34,6 +34,10 @@ if [[ $backend == drm ]]; then
     unset DISPLAY WAYLAND_DISPLAY
 fi
 
+if [[ $backend == drm ]] && command -v systemctl >/dev/null; then
+    systemctl --user stop swaync.service 2>/dev/null || true
+fi
+
 command=("$release_dir/ferese" --backend "$backend" --grant-effects
     --grant-shell-control -- "$release_dir/ferese-shell")
 if [[ -z ${DBUS_SESSION_BUS_ADDRESS:-} ]]; then