feat(frontend): a finished action answers on the button that was pressed instead of a toast

frontend/src/lib/components/MediaViewer.svelte

@@ -17,6 +17,7 @@
   import { formatBytes, mediaKindLabel } from "#lib/format/media.js";
   import { t } from "#lib/i18n/locale.svelte.js";
   import { poster } from "#lib/media/poster.js";
+  import { createFlash } from "#lib/stores/flash.svelte.js";
   import { shareUi } from "#lib/stores/shares.svelte.js";
   import { toasts } from "#lib/stores/toasts.svelte.js";
 
@@ -49,6 +50,7 @@
   let loading = $state(false);
   let saving = $state(false);
   let token = 0;
+  const queued = createFlash<number>();
 
   const mime = $derived(result?.state === "ready" ? (result.mime ?? "") : "");
   const isImage = $derived(mime.startsWith("image/") || kind === "photo");
@@ -140,9 +142,10 @@
     if (messageId === null) {
       return;
     }
+    const target = messageId;
     try {
-      await fetchMedia(chatId, messageId);
-      toasts.success(t("media.queued"));
+      await fetchMedia(chatId, target);
+      queued.show(target);
     } catch {
       toasts.error(t("media.queueFailed"));
     }
@@ -312,7 +315,12 @@
           <div class="media-message">
             <p>{t("media.notDownloaded")}</p>
             <Button fluid onclick={queueFetch} variant="primary">
-              {t("media.downloadToArchive")}
+              {#if queued.current === messageId}
+                <Icon name="check" />
+                {t("chat.media.queued")}
+              {:else}
+                {t("media.downloadToArchive")}
+              {/if}
             </Button>
           </div>
         {:else if result?.state === "missing"}