Missing unlock button

[jcalfee]

Version 69.0.3497.81 (Developer Build) built on Debian 9.5, running on Debian 9.5 (64-bit)

I loaded this scatter page: http://staking.edna.life/

Next, I saw a temp dialog that said:
"Scatter Login Failed! User Denied"

And the external window popped up. All I can do is Cancel scatter...