fix(filter): correctly pass down options

frontend/src/services/taskCollection.ts

@@ -4,13 +4,23 @@ import TaskModel from '@/models/task'
 import type {ITask} from '@/modelTypes/ITask'
 
 export interface TaskFilterParams {
-	sort_by: ('start_date' | 'done' | 'id')[],
+	sort_by: ('start_date' | 'done' | 'id' | 'position')[],
 	order_by: ('asc' | 'desc')[],
 	filter: string,
 	filter_include_nulls: boolean,
 	s: string,
 }
 
+export function getDefaultTaskFilterParams(): TaskFilterParams {
+	return {
+		sort_by: ['position', 'id'],
+		order_by: ['asc', 'desc'],
+		filter: '',
+		filter_include_nulls: false,
+		s: '',
+	}
+}
+
 export default class TaskCollectionService extends AbstractService<ITask> {
 	constructor() {
 		super({