When the user right-clicks to create a new chapter, the available posts displayed by the dialog should be filtered to the scope of the chapter they had selected, with a toggle to remove the filter.
When the book itself is selected, all posts should be displayed for selection.
When the user right-clicks to create a new chapter, the available posts displayed by the dialog should be filtered to the scope of the chapter they had selected, with a toggle to remove the filter.
When the book itself is selected, all posts should be displayed for selection.