multi vote ui improve
better handle dynamic lazyMessageList height change
more VoteTopic front impl
avoid switch to eager expand talk panel trigger lazyMessageList reshow
improve message panel resize
improve message panel resize
js format a little
makes footer fixed in firefox
increase gap a little to avoid resize message panel too high
add placeholder to VoteTopic topic
fix VoteTopic topic background color
more strict css role to avoid unneeded change
vote multi selection option i18n
simple select i18n