feat(MessageComponentInteraction): component getter (#5840)

Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>
Co-authored-by: SpaceEEC <spaceeec@yahoo.com>
Co-authored-by: Jan <66554238+vaporox@users.noreply.github.com>

src/structures/MessageComponentInteraction.js

@@ -57,6 +57,19 @@ class MessageComponentInteraction extends Interaction {
     this.webhook = new InteractionWebhook(this.client, this.applicationID, this.token);
   }
 
+  /**
+   * The component which was interacted with
+   * @type {?(MessageActionRowComponent|Object)}
+   * @readonly
+   */
+  get component() {
+    return (
+      this.message.components
+        .flatMap(row => row.components)
+        .find(component => (component.customID ?? component.custom_id) === this.customID) ?? null
+    );
+  }
+
   /**
    * Resolves the type of a MessageComponent
    * @param {MessageComponentTypeResolvable} type The type to resolve