On my corporate 2015 MBP, when you mistype the password the, the password dialog shakes and then the password field loses focus. I'm currently running 10.12.6. This did not happen with El Cap and only happened when I installed Sierra.
A few people have updated to High Sierra and have the same issue. My personal MBA does not have the same issue.
To be clear it's not the dialog with your face, it's the "You must enter a password to unlock the screen" modal, with the lock icon on the left.
Is this a result of something IT installed or some other issue?
Because of my corporate password policy, I've got a ridiculously tough password to type, so if I mistype it a few times I have to take my hand off the keyboard and use the trackpad/mouse to click the password field again. Very annoying