refactor: integrate StatusQ Theming system

This integrates the StatusQ Theming system and updates the selected
theme based on existing APIs, allowing it to live side by side next
to the legacy theming system.

Closes #2687

ui/StatusQ

@@ -1 +1 @@
-Subproject commit eb87aa4bcbd3401345c18f9ed86c4cf408ab33cd
+Subproject commit fd7a5530cf6c4395eec616dbf4622266793cd2b3

ui/imports/Style.qml

@@ -2,18 +2,34 @@ pragma Singleton
 
 import QtQuick 2.13
 import QtQuick.Controls.Universal 2.12
-import "./Themes"
+import "./Themes" as Legacy
+
+import StatusQ.Core.Theme 0.1
 
 QtObject {
-    property Theme current: lightTheme
-    property Theme lightTheme: LightTheme {}
-    property Theme darkTheme: DarkTheme {}
+    property Legacy.Theme current: lightTheme
+    property Legacy.Theme lightTheme: Legacy.LightTheme {}
+    property Legacy.Theme darkTheme: Legacy.DarkTheme {}
+
+
+    property ThemePalette statusQLightTheme: StatusLightTheme {}
+    property ThemePalette statusQDarkTheme: StatusDarkTheme {}
+
 
     property var changeTheme: function (theme) {
         switch (theme) {
-            case Universal.Light: current = lightTheme; break;
-            case Universal.Dark: current = darkTheme; break;
-            default: current = lightTheme; console.log('Unknown theme. Valid themes are "light" and "dark"')
+            case Universal.Light:
+              current = lightTheme; 
+              Theme.palette = statusQLightTheme
+              break;
+            case Universal.Dark:
+              current = darkTheme; 
+              Theme.palette = statusQDarkTheme
+              break;
+            default: 
+              current = lightTheme; 
+              Theme.palette = statusQLightTheme
+              console.log('Unknown theme. Valid themes are "light" and "dark"')
         }
     }