fetch method
Fetch the item with the given id
from the API.
Implementers should ensure this method updates the cache.
Implementation
@override
Future<GuildEmoji> fetch(Snowflake id) async {
_checkIsConcrete(id);
final route = HttpRoute()
..guilds(id: guildId.toString())
..emojis(id: id.toString());
final request = BasicRequest(route);
final response = await client.httpHandler.executeSafe(request);
final emoji = parse(response.jsonBody as Map<String, Object?>) as GuildEmoji;
client.updateCacheWith(emoji);
return emoji;
}