feat: Rollback signup on error, cleanup userDto and comment createdBy

legalconsenthub/pages/signup.vue

@@ -27,7 +27,7 @@ definePageMeta({ layout: 'auth' })
 useSeoMeta({ title: 'Sign up' })
 
 const toast = useToast()
-const { signUp } = useAuth()
+const { signUp, deleteUser } = useAuth()
 const { createUser } = useUser()
 
 const fields = [
@@ -116,8 +116,9 @@ function onSubmit(payload: FormSubmitEvent<Schema>) {
 
         await navigateTo('/')
       },
-      onError: (ctx) => {
+      onError: async (ctx) => {
         console.log(ctx.error.message)
+        await deleteUser({ callbackURL: '/signup' })
         useToast().add({
           title: 'Fehler bei der Registrierung',
           description: ctx.error.message,