Project tree view doesn't get updated on Win10

[ScruffR]

When performing actions that alter the file structure (e.g. deleting files/folders, building and downloading a binary, ...) currently open tree branches won't get updated.
Only after collapsing and re-opening the branch the change gets visible.

In some cases this results in users suspecting their action was not performed (e.g. https://community.particle.io/t/particle-dev-breaks-after-first-compile/12997/14?u=scruffr) or when repeating actions like deleting files, you'll get a red error message that the respective file isn't available - which is confusing too.