message: fix(editMessage): permissions plugin
  Fix permissions plugin, that throws an error about message content length when it's valid instead of when it's invalid.
diff: @@ -163,7 +163,7 @@ export function editMessage(bot: BotWithCache) {
  if (
  content.content &&
  - bot.utils.validateLength(content.content, { max: 2000 })
  + !bot.utils.validateLength(content.content, { max: 2000 })
  ) {
  throw new Error(
  "A message content can not contain more than 2000 characters.",
  