fix: guildBannerURL no longer accepts cached guild

src/helpers/guilds/guild_banner_url.ts

@@ -1,18 +1,16 @@
-import { Guild } from "../../structures/mod.ts";
+import { DiscordImageFormat } from "../../types/misc/image_format.ts";
+import { DiscordImageSize } from "../../types/misc/image_size.ts";
 import { endpoints } from "../../util/constants.ts";
 import { formatImageURL } from "../../util/utils.ts";
 
 /** The full URL of the banner from Discords CDN. Undefined if no banner is set. */
 export function guildBannerURL(
-  guild: Guild,
-  size: ImageSize = 128,
-  format?: ImageFormats,
+  id: string,
+  banner: string,
+  size: DiscordImageSize = 128,
+  format?: DiscordImageFormat
 ) {
-  return guild.banner
-    ? formatImageURL(
-      endpoints.GUILD_BANNER(guild.id, guild.banner),
-      size,
-      format,
-    )
+  return banner
+    ? formatImageURL(endpoints.GUILD_BANNER(id, banner), size, format)
     : undefined;
 }