fix the e-mail confirmation listener

                           
|Q            |A          |
|---          |---        |
|Bug Fix?     |y          |
|New Feature? |n          |
|BC Breaks?   |n          |
|Deprecations?|n          |
|Tests Pass?  |y          |
|Fixed Tickets|GH-21 GH-22|
|License      |MIT        |
|Doc PR       |           |
                           

fixes the e-mail confirmation listener. This only will only sent an confirmation e-mail, when the user-system registering.confirmation.enabled is true