[ST3 Win8.1 64-bit] Project folder containing filenames beginning with a dot (.) breaks the sidebar (files do not get displayed)

Hello,
I have added a folder for a project. That folder contains around 5k files where about 2k have filenames beginning with a dot (.). After removing those files (they are leftovers from a MacOS I believe) the side bar started working as expected again.
The buggy behaviour examples:
Note: I do have the SideBarEnhancements plugin installed, but this issue seems like a core issue imho.
Cheers!