typings/docs(GuildEmoji): id isn't nullable (#3694)

* Fix: GuildEmoji#id isn't nullable

* Move ID to be alphabetical

* Add JSDoc to say it's not nullable

* fix linting

src/structures/GuildEmoji.js

@@ -24,6 +24,12 @@ class GuildEmoji extends Emoji {
      */
     this.guild = guild;
 
+    /**
+     * The ID of this emoji
+     * @type {Snowflake}
+     * @name GuildEmoji#id
+     */
+
     this._roles = [];
     this._patch(data);
   }