Rename the Color singleton to avoid the Qt 6.12 clash

shell/plugins/panels/network/Panel.qml

@@ -299,8 +299,8 @@ Panel {
   // `selectedIndex`). Mouse hover and keyboard nav both mutate this state
   // at the root; items never read containsMouse for visuals. See
   // CursorSurface for the shared chrome shared by rows and pills.
-  readonly property color hoverFill: bar ? Style.hoverFillFor(bar.foreground, Color.accent) : "transparent"
-  readonly property color selectedFill: bar ? Style.selectedFillFor(bar.foreground, Color.accent) : "transparent"
+  readonly property color hoverFill: bar ? Style.hoverFillFor(bar.foreground, Colors.accent) : "transparent"
+  readonly property color selectedFill: bar ? Style.selectedFillFor(bar.foreground, Colors.accent) : "transparent"
 
   // scannerEnabled lives on the shared WifiDevice, which has no reference
   // counting, and a bar widget is instantiated once per monitor. Tracking the
@@ -1976,7 +1976,7 @@ Panel {
         anchors.verticalCenter: parent.verticalCenter
         height: Style.spacing.controlHeight
         color: Style.normalFillFor(root.bar.foreground)
-        borderSpec: Border.controlSpec("normal", root.bar.foreground, Color.accent)
+        borderSpec: Border.controlSpec("normal", root.bar.foreground, Colors.accent)
         radius: Style.cornerRadius
 
         Text {