Switch to running quickshell as a systemd service that is auto-restarted if it crashes

default/quickshell/omarchy-shell/scripts/indicators/notification-silencing.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-state=$(omarchy-shell-ipc notifications isDnd 2>/dev/null || echo off)
+state=$(omarchy-shell notifications isDnd 2>/dev/null || echo off)
 if [[ $state == "on" ]]; then
   echo '{"text": "󰂛", "tooltip": "Notifications silenced", "class": "active"}'
 else