Correctly create new placeholder fields for model instances that already have other placeholder fields.
Correctly create new placeholder fields for model instances that already have other placeholder fields.

ixc/django-fluent-contents,django-fluent/django-fluent-contents,jpotterm/django-fluent-contents,ixc/django-fluent-contents,jpotterm/django-fluent-contents,jpotterm/django-fluent-contents,edoburu/django-fluent-contents,edoburu/django-fluent-contents,ixc/django-fluent-contents,django-fluent/django-fluent-contents,django-fluent/django-fluent-contents,edoburu/django-fluent-contents