Set focus on SignIn Button in NotSignedInDialog

Initially set the keyboard focus on the SignIn
Button when the NotSignedInDialog is shown.
This allows the user to handle this dialog
without using the mouse.

In addition allow the user to cancel this dialog
by pressing ESC.

Signed-off-by: Edwin Kempin <edwin.kempin@gmail.com>
Change-Id: I2bf66b73e84a96f238bda868c0e2964a54a076e8
1 file changed