public void onClickDir(@NonNull View view, @NonNull DirViewHolder viewHolder) {
        if (isDir(viewHolder.file)) {
            goToDir(viewHolder.file);
        }
    }
Called when a non-selectable item, typically a directory, is clicked.

@param view       that was clicked. Not used in default implementation.
@param viewHolder for the clicked view
android/modules/module_filepicker/src/main/java/com/nononsenseapps/filepicker/AbstractFilePickerFragment.java