validateConfirmation does not revalidate if related property changes

[jelhan]

Version

1.2.8

Test Case

https://ember-twiddle.com/8687b828162c979dceef152ba69d1be8?openFiles=controllers.application.js%2C

Steps to reproduce

Enter missing "t" in "Password" input field.

Expected Behavior

Password confirmation should be valid after both values are the same.

Actual Behavior

It's not revalidated until password confirmation field changes.

Other bugs in validateConfirmation

• #137, which is partly addressed by #138

[MDjavaheri]

This is true with custom validators, as well. (Currently struggling with this exact bug)