Sublime Text 3 file icons?

Question

Sublime Text

Installed a new theme for Sublime Text 3 just for the file icons in the sidebar. But in reality, everything was not so rosy.
How it should be:

Like mine:

Yes, and the .sass icon is not the same:

The main problem is that I specifically downloaded a clean portable version, and it doesn’t even work in it.
And in general there are inconsistencies with many icons.
What could be the problem?