greeter/authenticators: add a property for if a prompt was shown in the past
This is needed to properly check for whether or not to show an unlock button
(cherry picked from commit bc1e4a18)
Co-authored-by: Xaver Hugl xaver.hugl@gmail.com
This is needed to properly check for whether or not to show an unlock button
(cherry picked from commit bc1e4a18)
Co-authored-by: Xaver Hugl xaver.hugl@gmail.com