[Wax] The annotations sidebar should stick to the top of the page
Issue description; currently the annotations toolbar is hidden from view when scrolling - furthermore editing a length manuscript will mean have to scroll up and down in order to apply annotations. Floating the annotations toolbar will make it easier for Production editors to select and apply tags.
Acceptance criteria;
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The annotations toolbar should remain visible when editing any section of a manuscript. -
Tool group for front matter should be labelled 'F' -
Tool group for back matter should be labelled 'B'