Background: add default wallpaper

Modules/Background/Background.qml

@@ -3,6 +3,8 @@ import Quickshell
 import Quickshell.Wayland
 import qs.Commons
 import qs.Services
+import qs.Modules.SettingsPanel
+import qs.Widgets
 
 Variants {
   id: backgroundVariants
@@ -20,6 +22,8 @@ Variants {
       // Internal state management
       property string transitionType: "fade"
       property real transitionProgress: 0
+      // Scaling support for widgets that rely on it
+      property real scaling: ScalingService.getScreenScale(screen)
 
       readonly property real edgeSmoothness: Settings.data.wallpaper.transitionEdgeSmoothness
       readonly property var allTransitions: WallpaperService.allTransitions
@@ -87,6 +91,15 @@ Variants {
         left: true
       }
 
+      Connections {
+        target: ScalingService
+        function onScaleChanged(screenName, scale) {
+          if ((screen !== null) && (screenName === screen.name)) {
+            scaling = scale
+          }
+        }
+      }
+
       Timer {
         id: debounceTimer
         interval: 333