Improve boot screen transition (#140)

* Working concept with SDDM

* Working concept without SDDM dep

* Working concept w/o SDDM and w/ UWSM

* Cleanup and UWSM tweaks

* Cleanup

* Remove call to seamless-login.sh

* Don't allow the progress to go backwards

* Add refresh to migration

bin/omarchy-power-menu

@@ -15,7 +15,7 @@ show_power_menu() {
   case "$selection" in
   *Lock*) hyprlock ;;
   *Suspend*) systemctl suspend ;;
-  *Relaunch*) hyprctl dispatch exit ;;
+  *Relaunch*) uwsm stop ;;
   *Restart*) systemctl reboot ;;
   *Shutdown*) systemctl poweroff ;;
   esac