[OJS 3.3.0-13 with Postgres] Apparently an error when merging 2 profiles

Hey @asmecher ,

I changed the affiliation of a profile that was merged and I noticed that the information was not saved. When entering the profile again, the affiliation was the same. I checked the database and saw that the information is saved in assoc_id = 0, but it is as if the site displays the line with assoc_id = null.
I would like to confirm if this is a system error installed on our server or if it is a general bug.

Adriano Moreno

Bug images: