fix: chord conflict shows "undefined"

src/lib/dialogs/ConfirmDialog.svelte

@@ -1,12 +1,15 @@
 <script lang="ts">
   import { createEventDispatcher } from "svelte";
   import Dialog from "$lib/dialogs/Dialog.svelte";
+  import ActionString from "$lib/components/ActionString.svelte";
 
   export let title: string;
   export let message: string | undefined;
   export let abortTitle: string;
   export let confirmTitle: string;
 
+  export let actions: number[] = [];
+
   const dispatch = createEventDispatcher();
 </script>
 
@@ -15,6 +18,7 @@
   {#if message}
     <p>{@html message}</p>
   {/if}
+  <p><ActionString {actions} /></p>
   <div class="buttons">
     <button on:click={() => dispatch("abort")}>{abortTitle}</button>
     <button class="primary" on:click={() => dispatch("confirm")}