Dashboard performance analytics system with Scenes integration (#112137)

* Dashboard performance profiling architecture improvements

- Create shared performanceUtils.ts with type-safe performance.memory access
- Add standardized grouped logging utilities for structured console output
- Convert observer methods to arrow functions eliminating constructor bindings
- Implement DashboardAnalyticsAggregator for comprehensive panel metrics
- Add ScenePerformanceLogger for performance marks and measurements
- Create DashboardAnalyticsInitializerBehavior for automatic profiling setup
- Update dashboard scene integration to use improved profiling system
- Add numeric duration logging for better programmatic analysis
- Fix localStorage usage to use @grafana/data store for consistency
- Consolidate performance tracking logic into shared utilities

* canary scenes

* tests/lint

* docs

* performanceUtils namespace

* Review and sync scenes

* Only enable dashboard profiling when needed

* docs update

* update scenes

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Co-authored-by: Victor Marin <victor.marin@grafana.com>

package.json

@@ -296,8 +296,8 @@
     "@grafana/plugin-ui": "^0.10.10",
     "@grafana/prometheus": "workspace:*",
     "@grafana/runtime": "workspace:*",
-    "@grafana/scenes": "^6.40.1",
-    "@grafana/scenes-react": "^6.40.1",
+    "@grafana/scenes": "^6.41.0",
+    "@grafana/scenes-react": "^6.41.0",
     "@grafana/schema": "workspace:*",
     "@grafana/sql": "workspace:*",
     "@grafana/ui": "workspace:*",