Upgraded infield labels plugin to the latest version. Updated invocation to opt-in to pollling at the same duration you were using before, 100ms

Tabindex="0" makes the element focussable with the keyboard and
role="link" tells assistive technologies that this clickable span
element is supposed to be presented as a hyperlink.

itemType is never "dir"; it's either "file" or "folder".

Added HTML escaping