Unwanted header break-out

[patrickvenetz]

Bug Report

Creating a document, switching to source code and returning to edit view will render heading (title, lead, credits) in an break-out we use for series overviews.

Bildschirmaufnahme.2021-08-27.um.15.51.47.mov

It won't occure once commited.

Steps to Reproduce

1. Create new document
2. Switch to source code
3. Hit submit and thus return to edit view

Actual Results

Expected Results

(Unless, of course, it is a series overview page.)