Add Error Message for Password Mismatch

[Verrien]

Needs a password mismatch error message when creating an account.

The previous solution seems elegant:

"A red "wrong password" in place of the confirmed transaction button would do the trick. (removing it as soon as the user types in the pwd field)"

There's room in the design for something more descriptive and empathic E.g "Ooops, password mismatch"