feat: use Quickshell-internal idle inhibitor

This was a pain to set up properly...

services/Idle.qml

@@ -1,47 +1,28 @@
 pragma Singleton
 
+import qs.util
 import QtQuick
 import Quickshell
-import Quickshell.Io
+import Quickshell.Wayland
+import Quickshell.Services.Pipewire
 
 Singleton {
     id: root
 
-    property alias inhibit: inhibitor.running
-    property bool inhibitPipewire
+    property bool inhibit: false
+    property bool inhibitPipewire: true
 
-    function toggleInhibitPipewire() {
-        root.inhibitPipewire = !root.inhibitPipewire;
-        pipewireInhibitor.running = true;
-    }
-
-    // Idle Inhibitor
-
-    Process {
+    IdleInhibitor {
         id: inhibitor
-        command: ["wayland-idle-inhibitor"]
+        enabled: root.inhibit ||
+            (root.inhibitPipewire &&
+                !!Pipewire.nodes.values.find(node => node.isSink && node.isStream))
+        window: null
     }
 
-    // Idle Inhibit on Pipewire
-
-    readonly property string pipewireInhibitorService: "wayland-pipewire-idle-inhibit.service"
-
     Timer {
-        id: pipewireInhibitorTimer
         running: true
         repeat: true
-        triggeredOnStart: true
-        onTriggered: pipewireInhibitorCheck.running = true
-    }
-
-    Process {
-        id: pipewireInhibitorCheck
-        command: ["systemctl", "status", "--user", root.pipewireInhibitorService]
-        onExited: (code, _) => root.inhibitPipewire = (code === 0)
-    }
-
-    Process {
-        id: pipewireInhibitor
-        command: ["systemctl", root.inhibitPipewire ? "start" : "stop", "--user", root.pipewireInhibitorService]
+        onTriggered: inhibitor.window = States.screens.values().next()?.value?.window
     }
 }