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_events/ae_events__event.ts

@@ -112,7 +112,7 @@ export async function load_ae_obj_li__event({
     view = 'default',
     limit = 99,
     offset = 0,
-    order_by_li = { start_datetime: 'DESC' },
+    order_by_li = { start_datetime: 'DESC' } as const,
     try_cache = true,
     log_lvl = 0
 }: {
@@ -328,7 +328,7 @@ export async function qry_ae_obj_li__event({
     view = 'default',
     limit = 99,
     offset = 0,
-    order_by_li = { start_datetime: 'DESC' },
+    order_by_li = { start_datetime: 'DESC' } as const,
     log_lvl = 0
 }: {
     api_cfg: any;