React-dropzone: Why can't I initiate a dialog box opening?

Question

JavaScript

Greetings!
Given: created HOC withDropzone, which accepts a component, by clicking on which the open method of the ref should be called.
But for some reason the dialog box does not appear, even though the method itself exists.
https://codesandbox.io/s/friendly-boyd-x9tir
Tell me, what is the cause of this problem? Thank you!

Answer 1

It is necessary to pass the ref for input, otherwise it will not work I
made an example
More information is here