refactor(EmbedBuilder): allow hex strings in setColor (#7673)

* refactor(EmbedBuilder): allow hex strings in setColor

* Apply suggestions from code review

Co-authored-by: Almeida <almeidx@pm.me>

Co-authored-by: Almeida <almeidx@pm.me>

packages/discord.js/src/structures/EmbedBuilder.js

@@ -2,6 +2,7 @@
 
 const { EmbedBuilder: BuildersEmbed, isJSONEncodable } = require('@discordjs/builders');
 const Transformers = require('../util/Transformers');
+const Util = require('../util/Util');
 
 class EmbedBuilder extends BuildersEmbed {
   constructor(data) {
@@ -19,6 +20,18 @@ class EmbedBuilder extends BuildersEmbed {
     }
     return new this(other);
   }
+
+  /**
+   * Sets the color of this embed
+   * @param {?ColorResolvable} color The color of the embed
+   * @returns {Embed}
+   */
+  setColor(color) {
+    if (color === null) {
+      return super.setColor(null);
+    }
+    return super.setColor(Util.resolveColor(color));
+  }
 }
 
 module.exports = EmbedBuilder;