[Filters] Add filters to Search - Assets

### View Search – Assets <img width="1450" height="815" alt="Image" src="https://github.com/user-attachments/assets/0468e77b-53c8-4be5-9614-d4436f0cb0e0" /> ### Filters to Add - Filter by **Asset Group** ↪ Narrow results to a logical grouping of assets (e.g., `revenue_reporting`, `customer_metrics`) - Filter by **Consuming DAG** and / or **Producing Task** ↪ Quickly locate assets by their upstream producer or downstream consumer - Filter by **Last Event Timestamp (Range)** ↪ Identify stale or recently updated assets - Filter by **Is Alias (Yes/No)** ↪ Distinguish between assets vs. placeholders - Filter by **Has Events (Yes/No)** ↪ Distinguish between assets with active data lineage vs inactive definitions ### API Support ⚠️ Partial - The `assets` API supports filtering by: - `dag_id`, `task_id`, and sometimes `group` - Currently lacks: - Filtering by event presence (`has_events`) - Range filtering by last event timestamp ### UI Impact - Add a filter panel above the asset list table - Useful in large deployments with hundreds or thousands of assets ### Notes - Enables users to answer critical questions like: - “What assets are stale?” - “Which DAGs produce assets in this domain?” - Especially helpful when debugging broken pipelines or validating asset freshness