Racks icon not updating.

My Specs:

Cubase Pro 8.5
Mac OSX Yosemite 10.10.5
MacBook Pro (Retina, 15-inch, Late 2013)
Processor 2.6 GHz Quad Intel Core i7
Memory 16 GB 1600MHz DDR3

Details to recreate issue: Check the link for recreation

https://www.dropbox.com/s/mhjo0yyylan9qbw/Media%20Bay%20Issues.mov?dl=0