Properly handle file paths

Describe the bug
Using a path that includes & (maybe spaces too) causes the app to not be able to open files and leaves a blank editor.

To Reproduce
Steps to reproduce the behavior:

Create a project with a path like D:\pro\R&D as the containing folder (any project name will work)
Choose any template
The editor will be empty and shows ENOENT errors in the console (e.g. no such file or directory, scandir D:\pro\R)

Expected behavior
Expects to open up just like any path that doesn't contain &.

Screenshots

Environment (please complete the following information):

Additional context
Add any other context about the problem here.

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