This bug was fixed in the package ubuntu-themes - 16.10+17.10.20170930-0ubuntu1
--------------- ubuntu-themes (16.10+17.10.20170930-0ubuntu1) artful; urgency=medium
* Make suggested actions disable style like other buttons (no grey disabled) button to not appear unthemed (LP: #1720570)
-- Didier Roche <email address hidden> Sat, 30 Sep 2017 17:51:18 -0400
This bug was fixed in the package ubuntu-themes - 16.10+17. 10.20170930- 0ubuntu1
--------------- 17.10.20170930- 0ubuntu1) artful; urgency=medium
ubuntu-themes (16.10+
* Make suggested actions disable style like other buttons (no grey disabled)
button to not appear unthemed (LP: #1720570)
-- Didier Roche <email address hidden> Sat, 30 Sep 2017 17:51:18 -0400