fix(Message): properly compare attachments and embeds (#10282)

* fix(Message): properly compare `attachments` and `embeds`

* refactor: use `has` instead of `get`

* refactor: keep length checks

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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

packages/discord.js/src/structures/Message.js

@@ -973,10 +973,12 @@ class Message extends Base {
       this.id === message.id &&
       this.author.id === message.author.id &&
       this.content === message.content &&
-      this.tts === message.tts &&
       this.nonce === message.nonce &&
+      this.tts === message.tts &&
+      this.attachments.size === message.attachments.size &&
       this.embeds.length === message.embeds.length &&
-      this.attachments.length === message.attachments.length;
+      this.attachments.every(attachment => message.attachments.has(attachment.id)) &&
+      this.embeds.every((embed, index) => embed.equals(message.embeds[index]));
 
     if (equal && rawData) {
       equal =