feat: sort smart search

Smart search currently returns a list of assets by their score. It would
be nice if we could instead filter assets, and then list them by date.
This is the default behaviour of other platforms.

open-api/immich-openapi-specs.json

@@ -22063,6 +22063,14 @@
             "description": "Filter by OCR text content",
             "type": "string"
           },
+          "order": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/AssetOrder"
+              }
+            ],
+            "description": "Sort order by date. If not provided, results are sorted by relevance."
+          },
           "page": {
             "description": "Page number",
             "minimum": 1,

open-api/typescript-sdk/src/fetch-client.ts

@@ -1893,6 +1893,8 @@ export type SmartSearchDto = {
     model?: string | null;
     /** Filter by OCR text content */
     ocr?: string;
+    /** Sort order by date. If not provided, results are sorted by relevance. */
+    order?: AssetOrder;
     /** Page number */
     page?: number;
     /** Filter by person IDs */