enhance: 通知の履歴をリセットできるように (#13335)

* enhance: 通知の履歴をリセットできるように

* Update Changelog

* 通知欄も連動して更新するように

* revert some changes

* Update CHANGELOG.md

* Remove unused part

* fix

packages/misskey-js/etc/misskey-js.api.md

@@ -530,6 +530,7 @@ export type Channels = {
             unreadNotification: (payload: Notification_2) => void;
             unreadMention: (payload: Note['id']) => void;
             readAllUnreadMentions: () => void;
+            notificationFlushed: () => void;
             unreadSpecifiedNote: (payload: Note['id']) => void;
             readAllUnreadSpecifiedNotes: () => void;
             readAllAntennas: () => void;