JSP error trying to attach some file in the task portlet

[bryanboza]

When you open the task details of some piece of content, this from the task portlet, and then try to attach some pdf file, we are getting a JSP error and we are unable to attach the file

Log: https://gist.github.com/bryanboza/5f825231316d9a85ea59323542ebd922

To Reproduce

1. Login as admin
2. Go to task portlet
3. Open any of the task in the list to edit
4. Go to the attached files tab
5. Try to attach some pdf file

Expected behavior We need be able to attach this kind of files without problems

Screenshots SC: https://www.screencast.com/t/fw6WMyQ9

Desktop (please complete the following information): Tested on release-22.03 // Docker // FF