Merge pull request #12462 from germanocaumo/poll-chat-export

.../src/main/scala/org/bigbluebutton/core/models/Polls.scala

...org/bigbluebutton/endpoint/redis/RedisRecorderActor.scala

...in/scala/org/bigbluebutton/common2/domain/Meeting2x.scala

...tton-html5/imports/api/polls/server/handlers/userVoted.js

...tton-html5/imports/ui/components/chat/alert/component.jsx

...l5/imports/ui/components/chat/chat-dropdown/component.jsx

bigbluebutton-html5/imports/ui/components/chat/service.js

...imports/ui/components/chat/time-window-list/component.jsx

...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

...-chat-item/message-chat-item/poll-list-item/component.jsx

...ow-chat-item/message-chat-item/poll-list-item/styles.scss

...ts/ui/components/components-data/chat-context/adapter.jsx

bigbluebutton-html5/imports/ui/components/poll/service.js