Fix disable link

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Ask for password when enabling 2FA

Additional security

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Increase max height of overlay boxes to 30em

Signed-off-by: Shitiz Garg <mail@dragooon.net>