Fix calendarItemAction persistence in event editor toolbars#64

Merged

jobisoft merged 5 commits intothunderbird:mainfrom

DeBaschdi:calendarItemAction

Mar 5, 2026

Commits on Feb 23, 2026

Fix calendarItemAction persistence in event editor toolbars
DeBaschdi
authored

Commits on Feb 27, 2026

calendarItemAction: clarify ADDON_UPGRADE as temporary legacy migration
DeBaschdi
authored

Commits on Mar 2, 2026

Modify TODO and explicitly mention to remove ADDON_UPGRADE when moving to core
jobisoft
committed

Commits on Mar 5, 2026