types: fix new types issues (#829)

* feat: add tests for deleting channel overwrites

* fix: typings

src/helpers/messages/edit_message.ts

@@ -9,7 +9,7 @@ import { requireBotChannelPermissions } from "../../util/permissions.ts";
 /** Edit the message. */
 export async function editMessage(
   message: Message,
-  content: string | MessageContent,
+  content: string | MessageContent
 ) {
   if (message.author.id !== botId) {
     throw "You can only edit a message that was sent by the bot.";
@@ -30,8 +30,8 @@ export async function editMessage(
   const result = await rest.runMethod(
     "patch",
     endpoints.CHANNEL_MESSAGE(message.channelId, message.id),
-    content,
+    content
   );
 
-  return structures.createDiscordenoMessage(result as MessageCreateOptions);
+  return structures.createDiscordenoMessage(result as DiscordMessage);
 }