fix(wallpaper): redraw wallpaper layers when fill mode changes (#2542)

quickshell/Modules/BlurredWallpaperBackground.qml

@@ -126,6 +126,14 @@ Variants {
                 }
             }
 
+            Connections {
+                target: SettingsData
+                function onWallpaperFillModeChanged() {
+                    root._renderSettling = true;
+                    renderSettleTimer.restart();
+                }
+            }
+
             Timer {
                 id: renderSettleTimer
                 interval: 1000

quickshell/Modules/WallpaperBackground.qml

@@ -161,6 +161,11 @@ Variants {
                     root._overviewBlurSettling = true;
                     overviewBlurSettleTimer.restart();
                 }
+
+                function onWallpaperFillModeChanged() {
+                    root._renderSettling = true;
+                    renderSettleTimer.restart();
+                }
             }
 
             Connections {