fix further type problems

src/routes/anmeldung/+page.svelte

@@ -1,10 +1,10 @@
 <script lang="ts">
-	/** @type {import('./$types').ActionData} */
-	export let form;
+	import type { ActionData } from "./$types";
+
+	export let form: ActionData;
 
 	let user = form?.user ?? '';
 
-	function buttonClick() {}
 </script>
 
 <!--