Aditional changes to avoid user problems

bigbluebutton-html5/imports/ui/components/poll/container.jsx

@@ -24,6 +24,10 @@ const PollContainer = (props) => {
       type: ACTIONS.SET_SIDEBAR_CONTENT_PANEL,
       value: PANELS.CHAT,
     });
+    layoutContextDispatch({
+      type: ACTIONS.SET_ID_CHAT_OPEN,
+      value: PUBLIC_CHAT_KEY,
+    });
   };
 
   const sidebarContent = layoutSelectInput((i) => i.sidebarContent);