ExpressionChanged error is thrown when Dialog is opened and floating labeled textbox is auto focused

[mbechev]

Describe the bug
Focusing a floating labeled TextBox component when the Dialog is opened, using autoFocusedElement option, cause an ExpressionChangedAfterItHasBeenCheckedError error:

The issue seems to be caused by the FloatingLabel component and the way it attaches the k-state-focus class.

To Reproduce
Open Dialog

https://stackblitz.com/edit/angular-2fng8f-zmmwjb?file=app/app.component.ts

Expected behavior
There should be no errors in this scenario.