Don't apply max emails per day per user to forgot password

Our max emails per day per user setting is holding off forgot password emails, which is a problem.

「いいね!」 13

Yes this should definitely be immune to that setting.

「いいね!」 3

Fixed via:

https://github.com/discourse/discourse/commit/cdce060a382c844cf9492ca32ba4b9ad294102a9

「いいね!」 7

As per @zogstrip’s suggestion I exempted all critical emails from max_emails_per_day_per_user setting.

「いいね!」 7