Merge pull request 'fix(class-dialog): correct data structure for class items retrieval' (#60) from feature/items-validation into fix/production

Reviewed-on: ADUANASOFT/anexo76#60

frontend/src/lib/components/dashboard/invoices/edit/items/fa/class-dialog.svelte

@@ -66,7 +66,7 @@
 			}
 
 			const data = await response.json();
-			classes = data.data?.items || [];
+			classes = data.items || [];
 			loadMoreClasses();
 		} catch (error) {
 			console.error('Error searching classes:', error);