* feat: publish all configured email addresses for reply-all exclusion
* fix: exclude all of the user's own addresses from reply-all, not just the active one
* test: reply-all excludes all of the user's configured addresses
* fix: populate window._myEmailAddress from the active email account
* fix: keep Cc recipients in reply-all when own address is empty or unknown
* test: cover reply-all recipient building (issue #360)