kstars ver 3.3.9 Mac how to have fits viewer open "on top"

[goodmanf at kellin.net]

First, I hope all of you are, and will stay healthy.
Second, thanks for a great package.
Now to my question, as in the subject line.
I am running kstars on a Mac with OSX Sierra.
When I open the Ekos capture module, and click on preview or capture, the Fits Viewer opens behind the other screens/windows.
Then it cannot be dragged on top of the other open windows.
How can I ensure it will open on top of all the windows/screens? 

Thank you.

Fivel
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