Fix data type in pagination schema

Updated the `data` property in the pagination schema from a single object to an array of objects to accurately represent paginated data. This change ensures that the schema aligns with the actual data structure used in the application.

apps/backend/src/app/db/schema.ts

@@ -192,5 +192,5 @@ export interface IWithCount<T> {
 	count: number;
 	limit: number;
 	currentOffset: number;
-	data: T
+	data: T[]
 }