feat: standardize OrderBy types and fix data model mismatches

- Update ae_types.ts with joined fields for deep layout loading
- Fix OrderBy vs OrderBy[] type mismatch in API v2/v3 and generic CRUD
- Apply 'as const' to order_by_li defaults in core/event libraries
- Resolve type errors in reports_presenters and reports_files Svelte components

src/lib/ae_api/api_get__crud_obj_li_v2.ts

@@ -69,7 +69,7 @@ interface GetAeObjLiForObjIdCrudV2Params {
     inc?: key_val;
     enabled?: 'all' | 'enabled' | 'not_enabled';
     hidden?: 'all' | 'hidden' | 'not_hidden';
-    order_by_li?: OrderBy[] | null;
+    order_by_li?: OrderBy | OrderBy[] | null;
     limit?: number;
     offset?: number;
     headers?: Record<string, string>;

src/lib/ae_api/api_get__crud_obj_li_v3.ts

@@ -95,7 +95,7 @@ interface GetAeObjLiV3Params {
     view?: string;
     limit?: number;
     offset?: number;
-    order_by_li?: Record<string, 'ASC' | 'DESC'> | null;
+    order_by_li?: Record<string, 'ASC' | 'DESC'> | Record<string, 'ASC' | 'DESC'>[] | null;
     delay_ms?: number;
     log_lvl?: number;
 }
@@ -155,7 +155,7 @@ interface GetNestedObjLiV3Params {
     view?: string;
     limit?: number;
     offset?: number;
-    order_by_li?: Record<string, 'ASC' | 'DESC'> | null;
+    order_by_li?: Record<string, 'ASC' | 'DESC'> | Record<string, 'ASC' | 'DESC'>[] | null;
     delay_ms?: number;
     log_lvl?: number;
 }