Added normalization for date dimensions in SqlDashboardStorage to ensure consistent grouping for "AddedWhen" and "ChangedWhen" fields. Refactored CatalogsGrid.razor to use custom sort icons and default DxGrid filter row UI, simplifying markup and improving visual consistency. Updated related CSS for sortable headers and filter inputs.
- Add sidebar dashboard navigation and support multiple dashboards
- Extract catalog grid/form logic to reusable CatalogsGrid component
- Add CatalogApiClient and DTOs for catalog CRUD operations
- Define dashboards with JSON data sources (Default, CatalogsGrid)
- Update configuration for dashboard and API endpoints
- Improve styling and imports for modularity and maintainability
