UI: Update icon no longer highlights when updates are available

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

dotfiles/.config/quickshell/modules/bar/SystemUpdate.qml

@@ -22,7 +22,7 @@ Item {
             font.family: SystemUpdates.checking ? Appearance.iconFontFamilyRounded : Appearance.fontFamily
             font.variableAxes: Appearance.iconFontAxes
             font.pixelSize: SystemUpdates.checking ? 15 : 22
-            color: SystemUpdates.updateCount > 0 ? Colors.primary : Colors.foreground
+            color: Colors.foreground
             text: SystemUpdates.checking ? "progress_activity" : "󰏖"
 
             RotationAnimation on rotation {