fix: notebook and section group menus lead with New Section and New Section Group
As Windows' menus lead with what they make: then a rule, then the rest in their
order, under a notebook's sync status line. A section's menu keeps its order.
Assisted-by: claude-opus-5.5
5b4ee0cb72clover caruso committed on 10/3/2026, 2:05:30 PMparent75c4212