We found a bug because, in filelist mode, we have other files from other categories and whatever the category.
My hypothesis is that there is confusion, at the plugin level, between the category ID and the ID of other files (which are not in the category to list).
Indeed, it is sufficient that there is a 6 (62, 68) in the ID of the file and it is also added to the list of files of category 6.
On website, 2 files from another category :
In filelist, both file's ID is 6x (and another problem is that plugin does not take into account the publication status) :