feat(dashboard): update model analytics section and enhance user charts functionality

- Renamed "Models" to "Model Call Analytics" and updated descriptions for clarity.
- Introduced a new state for top user limits in user charts, allowing users to select the number of top users displayed.
- Enhanced user charts to include total call count display and improved data processing for better analytics.
- Added new translations for updated terms in multiple languages to support internationalization.

web/default/src/features/dashboard/section-registry.tsx

@@ -13,8 +13,8 @@ const DASHBOARD_SECTIONS = [
   },
   {
     id: 'models',
-    titleKey: 'Models',
-    descriptionKey: 'View model statistics and charts',
+    titleKey: 'Model Call Analytics',
+    descriptionKey: 'View model call count analytics and charts',
     build: () => null,
   },
   {