Merge pull request #11686 from ramonlsouza/improve-poll-function

...-html5/imports/api/polls/server/handlers/pollPublished.js

...tml5/imports/api/polls/server/handlers/sendPollChatMsg.js

...chat/time-window-list/time-window-chat-item/component.jsx

...chat/time-window-list/time-window-chat-item/container.jsx

...ist/time-window-chat-item/message-chat-item/component.jsx

...tml5/imports/ui/components/poll/live-result/component.jsx

...-html5/imports/ui/components/poll/live-result/styles.scss