Incorrect handling of exceptions in confirm password view when only field «Ваш пароль»(Your password) is filled

[alexander-sanin]

Steps to reproduce:

1. Open laba42.com
2. Push the button “Вход” (Enter)
3. Push the button “Напомнить пароль, пожалуйста” (Please, Remind the password)
4. Enter a valid email
5. Click on the link "Change my password" from email “Инструкция по восстановлению пароля” (Password Recovery Instructions) noreply@laba42.com
6. Enter characters to the field “Ваш пароль” (Your password)
7. Push the button “Подтвердить пароль” (Confirm the password)
   Expected result: Notification “Заполните это поле” (Fill in this field) appears above the field “Подтвердите пароль”( Confirm the password)
   Actual result: No notification “Заполните это поле” (Fill in this field)appears above the field “Подтвердите пароль” ( Confirm the password) and text
   ( user: сохранение не удалось из-за 2 ошибки
   • Password confirmation translation missing: ru.activerecord.errors.models.user.attributes.password_confirmation.confirmation
   • Password translation missing: ru.activerecord.errors.models.user.attributes.password.too_short)
   On page
   https://drive.google.com/open?id=1pzkIavcSBLZvRru0jc7g67LEZYy084aO