fix(frontend): popupのemit型が正しく利用できるように修正 (#16826)

* fix(frontend): popupのemit型が正しく利用できるように修正

* fix: revert unnecessary code (for testing purpose)

* fix lint

* fix type errors

* fix types

* add comment

* fix

* fix

* fix: OverloadToUnionの仕組みを変更

* add comments, clean up

* fix lint

* fix types

* clean up [ci skip]

* fix

* add comments [ci skip]

packages/backend/src/core/GlobalEventService.ts

@@ -38,11 +38,7 @@ export interface BroadcastTypes {
 		emojis: Packed<'EmojiDetailed'>[];
 	};
 	emojiDeleted: {
-		emojis: {
-			id?: string;
-			name: string;
-			[other: string]: any;
-		}[];
+		emojis: Packed<'EmojiDetailed'>[];
 	};
 	announcementCreated: {
 		announcement: Packed<'Announcement'>;