fix: OptionsHandler#getMentionable always returning user (#125)

* fix: `OptionsHandler#getMentionable` always returning user even when invalid

* chore: add changeset

.changeset/beige-melons-teach.md

@@ -0,0 +1,5 @@
+---
+"@buape/carbon": patch
+---
+
+fix: `OptionsHandler#getMentionable` always returning user even when invalid

packages/carbon/src/internals/OptionsHandler.ts

@@ -202,10 +202,13 @@ export class OptionsHandler extends Base {
 			if (!id || typeof id !== "string")
 				throw new Error(`Missing required option: ${key}`)
 		} else if (!id || typeof id !== "string") return undefined
-		const user = new User(this.client, id)
-		await user.fetch().catch(() => {
+
+		try {
+			const user = new User(this.client, id)
+			await user.fetch()
+			return user
+		} catch {
 			return new Role(this.client, id)
-		})
-		return user
+		}
 	}
 }