fix(DonorDetail): missing toast import

src/components/donors/DonorDetail.svelte

@@ -6,6 +6,7 @@
   import PromiseError from "../base/PromiseError.svelte";
   import isEmail from "validator/es/lib/isEmail";
   import ConfirmDonorDeletion from "./ConfirmDonorDeletion.svelte";
+  import toast from "svelte-french-toast";
   let data_loaded = false;
   export let params;
   $: delete_triggered = false;