OJS 3.2: reviewers filters

Hello,

I’m trying to see the filters on the “add reviewer” form, but the filters doesn’t seem to show:
image

However, if I inspect the element:
image

image

It seems like the OJS is loading some content, and even if I click on the filters that “aren’t there”… the filter does it’s work:

image

any idea how can I make this filters visible for the user?

best regards.

Juan