class collapse inside inline not working any more

[omargawdat]

unfold: 0.40 django: 5.12 chrome: latest

description: the collapse inside inline isn't working anymore

code: class WorkerInline(StackedInline): form = WorkerForm model = Worker fk_name = "company" fieldsets = ( ( "Personal Information", { "fields": ( ("first_name", "last_name"), "phone_number", "gender", "image", "packages", "is_active", ) }, ), ) filter_horizontal = ("packages",) classes = ["collapse"]

additionally when I tried to use tab = true it doesn't work when switching language english: arabic: