Folders : Disable Sharing on Root folder fixes xibosignage/xibo#2497
Folders : Disable Sharing on Root folder
fixes xibosignage/xibo#2497

(cherry picked from commit 4d739ea77b2a8b85d5417f8026d2436404fac0a1)

xibosignage/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,alexharrington/xibo-cms,dasgarner/xibo-cms,alexharrington/xibo-cms,alexharrington/xibo-cms,dasgarner/xibo-cms,alexharrington/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,alexharrington/xibo-cms,dasgarner/xibo-cms