embed: exclude children from embed options

src/embed/embed.tsx

@@ -1,5 +1,6 @@
 import React from "react"
 import { ReacordElement } from "../element.js"
+import { omit } from "../helpers/omit"
 import type { MessageOptions } from "../message"
 import { Node } from "../node.js"
 import { EmbedChildNode } from "./embed-child.js"
@@ -37,7 +38,7 @@ export function Embed(props: EmbedProps) {
 
 class EmbedNode extends Node<EmbedProps> {
   override modifyMessageOptions(options: MessageOptions): void {
-    const embed = { ...this.props }
+    const embed = omit(this.props, ["children"])
     for (const child of this.children) {
       if (child instanceof EmbedChildNode) {
         child.modifyEmbedOptions(embed)