(graphics): fix screen selection for Ogre scene

Description

Enable the full screen of Ogre scene on the right monitor.

For more informations: https://stackoverflow.com/questions/3203095/display-window-full-screen-on-secondary-monitor-using-qt.

Closes #573 (closed)

How to test it?

• Launch OgreViewer
• Try to enable full screen (You'll need two screens to test this MR).