Handle EmojiReaction activitiy (#5492)

* Handle some additional reaction activities

* Revert "Handle some additional reaction activities"

This reverts commit 1462ff12de08e8810023658e8ff7b5ee8bd7965b.

* EmojiReaction

src/remote/activitypub/kernel/like.ts

@@ -19,5 +19,5 @@ export default async (actor: IRemoteUser, activity: ILike) => {
 		return;
 	}
 
-	await create(actor, note, activity._misskey_reaction);
+	await create(actor, note, activity._misskey_reaction || activity.content || activity.name);
 };

src/remote/activitypub/kernel/undo/index.ts

@@ -33,6 +33,7 @@ export default async (actor: IRemoteUser, activity: IUndo): Promise<void> => {
 			unblock(actor, object as IBlock);
 			break;
 		case 'Like':
+		case 'EmojiReaction':
 			undoLike(actor, object as ILike);
 			break;
 		case 'Announce':