Add sync clock cards to dashboard and match FPS chart colors

Sync clocks now appear as compact cards on the dashboard with
pause/resume/reset controls and click-to-navigate. Dashboard FPS
sparkline charts use the same blue/green colors as target card charts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/wled_controller/static/js/app.js

@@ -37,6 +37,7 @@ import {
 import {
     loadDashboard, stopUptimeTimer,
     dashboardToggleAutomation, dashboardStartTarget, dashboardStopTarget, dashboardToggleAutoStart, dashboardStopAll,
+    dashboardPauseClock, dashboardResumeClock, dashboardResetClock,
     toggleDashboardSection, changeDashboardPollInterval,
 } from './features/dashboard.js';
 import { startEventsWS, stopEventsWS } from './core/events-ws.js';
@@ -212,6 +213,9 @@ Object.assign(window, {
     dashboardStopTarget,
     dashboardToggleAutoStart,
     dashboardStopAll,
+    dashboardPauseClock,
+    dashboardResumeClock,
+    dashboardResetClock,
     toggleDashboardSection,
     changeDashboardPollInterval,
     stopUptimeTimer,