feat(system-tray): add icon tinting (#2266)

Author: arora-archit

quickshell/Common/SettingsData.qml

@@ -194,7 +194,9 @@ Singleton {
     property int selectedGpuIndex: 0
     property var enabledGpuPciIds: []
     property bool showSystemTray: true
-    property bool systemTrayMonochromeIcons: false
+    property string systemTrayIconTintMode: "none"
+    property int systemTrayIconTintSaturation: 50
+    property int systemTrayIconTintStrength: 135
     property bool showClock: true
     property bool showNotificationButton: true
     property bool showBattery: true

quickshell/Common/settings/SettingsSpec.js

@@ -69,7 +69,9 @@ var SPEC = {
     selectedGpuIndex: { def: 0 },
     enabledGpuPciIds: { def: [] },
     showSystemTray: { def: true },
-    systemTrayMonochromeIcons: { def: false },
+    systemTrayIconTintMode: { def: "none" },
+    systemTrayIconTintSaturation: { def: 50 },
+    systemTrayIconTintStrength: { def: 135 },
     showClock: { def: true },
     showNotificationButton: { def: true },
     showBattery: { def: true },