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/entities/EmojiEntityService.ts

@@ -41,7 +41,7 @@ export class EmojiEntityService {
 
 	@bindThis
 	public packSimpleMany(
-		emojis: any[],
+		emojis: (MiEmoji['id'] | MiEmoji)[],
 	) {
 		return Promise.all(emojis.map(x => this.packSimple(x)));
 	}
@@ -69,7 +69,7 @@ export class EmojiEntityService {
 
 	@bindThis
 	public packDetailedMany(
-		emojis: any[],
+		emojis: (MiEmoji['id'] | MiEmoji)[],
 	): Promise<Packed<'EmojiDetailed'>[]> {
 		return Promise.all(emojis.map(x => this.packDetailed(x)));
 	}