Describe the bug
In a form of change, actors cannot be deleted, none of Applicant / Observer / Attributed to
If I add one, I can't delete it, persone, group, or every thing else.
To Reproduce
Try to delete actor in a form of change type.
[Edit : ] press the X icon does nothing and noting in the logs.
Expected behavior
Should be deleted
Screenshots

GLPI 9.4.5+formcreator 2.9.1