[Merge] lp:~albertsmuktupavels/nautilus/white-screen-fix into lp:ubuntu/nautilus

[Mathieu Trudel-Lapierre]

Review: Needs Fixing

As per the bug, this needs work. Perhaps it would be a good first step to check how this is called for each screen, to figure out why the singleton method isn't optimal?
-- 
https://code.launchpad.net/~albertsmuktupavels/nautilus/white-screen-fix/+merge/180231
Your team Ubuntu branches is subscribed to branch lp:ubuntu/nautilus.