fix(frontend): keyval-storeの値が削除できずに処理が止まる問題を修正 (#15803)

* fix(frontend): keyval-storeの値が削除できずに処理が止まる問題を修正

* Update Changelog

* implement abortcontroller

* fix lint

packages/frontend/src/utility/idb-proxy.ts

@@ -9,6 +9,7 @@ import {
 	get as iget,
 	set as iset,
 	del as idel,
+	clear as iclear,
 } from 'idb-keyval';
 import { miLocalStorage } from '@/local-storage.js';
 
@@ -51,3 +52,7 @@ export async function del(key: string) {
 	if (idbAvailable) return idel(key);
 	return miLocalStorage.removeItem(`${PREFIX}${key}`);
 }
+
+export async function clear() {
+	if (idbAvailable) return iclear();
+}