Do not add 'Outline', 'Key terms' or other pedagogical element headings when added from book planner
Expected behaviour
The Outline and Key terms sections and other pedagogical elements headings should have consistent behaviour. To standardise them we will not have headings in these pedagogical elements sections when added from the planner or the editor.
Current behaviour
The Outline and Key terms sections have headings ('Outline', 'Key terms section') when added from planner, but not when added from the editor. This is inconsistent.
Steps to reproduce
- Plan a book and include an outline in the chapters or sections, then build the book
- Go into a chapter
- See that the heading 'Outline' is there
- Delete the Outline
- Add the Outline section back using the formats on the left
- See that there is no heading