Capturenode doesn't define child_nodelist

[Mte90]

So if you use django-fastdev with django-unfold the admin dashboard is not accessible.

I reported the issue on boxed/django-fastdev#51 also with a patch but the package author says that the Capturenode doens't define child_nodelist.

Ref:

django-unfold/src/unfold/templatetags/unfold.py

Line 79 in 541a157

class CaptureNode(Node):

[lukasvinclav]

Please submit a PR because I have no experience with mentioned third party app.