refactoring: magic strings in Vorgang-View

src/routes/(angemeldet)/list/+page.svelte

@@ -2,7 +2,7 @@
 	import Trash from '$lib/icons/Trash.svelte';
 	import Folder from '$lib/icons/Folder.svelte';
 	import EmptyList from '$lib/components/EmptyList.svelte';
-	import { ROUTE_NAMES } from '../../index.js';
+	import { API_ROUTES, ROUTE_NAMES } from '../../index.js';
 
 	let { data } = $props();
 
@@ -18,7 +18,7 @@
 			if (!target) return;
 			let filename = target.id.split('del__')[1];
 
-			let url = `/api/list/${filename}`;
+			let url = API_ROUTES.VORGANG(filename);
 
 			try {
 				const response = await fetch(url, { method: 'DELETE' });