fix(controllers): cache updated message on MESSAGE_UPDATE (#429)

* fix(controllers): cache message on update event

* forgot to paste that in

src/api/controllers/messages.ts

@@ -102,5 +102,9 @@ export async function handleInternalMessageUpdate(data: DiscordPayload) {
     return;
   }
 
+  const message = await structures.createMessage(payload);
+
+  await cacheHandlers.set("messages", payload.id, message);
+
   eventHandlers.messageUpdate?.(cachedMessage, oldMessage);
 }