chore(frontend): use toast to show message when call copyToClipboard

packages/frontend/src/utility/copy-to-clipboard.ts

@@ -3,9 +3,15 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import * as os from '@/os.js';
+import { i18n } from '@/i18n.js';
+
 /**
  * Clipboardに値をコピー(TODO: 文字列以外も対応)
  */
 export function copyToClipboard(input: string | null) {
-	if (input) navigator.clipboard.writeText(input);
+	if (input) {
+		navigator.clipboard.writeText(input);
+		os.toast(i18n.ts.copiedToClipboard);
+	}
 };