Subject was on its own line below sender/date. Move it inline so each
email occupies one row: sender capped at 35% width (ellipsis), subject
takes the remaining space (ellipsis), date pins to the right. Tighter
list density at the cost of dropping the spare line for snippet text
(none was being rendered anyway).
* 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)
