Cursor Stuck top-left while Play Solo/Test Server

Tried restarting the computer, reinstalling studio, tabbing out, etc. Now I’m currently stuck to having to open a new place file every time to fix it temporarily.

tl;dr http://image.prntscr.com/image/f5c60ef50b9d479093b433421c43b85f.gif

This sounds like @darthskrill territory