Fix hit area of more message bellow and css recalc

bigbluebutton-html5/client/main.jsx

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

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

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

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

...5/imports/ui/components/chat/time-window-list/styles.scss

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

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

...components/components-data/group-chat-context/adapter.jsx

...components/components-data/group-chat-context/context.jsx

...ml5/imports/ui/components/context-providers/component.jsx

...ebutton-html5/imports/ui/components/nav-bar/container.jsx

...orts/ui/components/user-list/chat-list-item/component.jsx

...utton-html5/imports/ui/components/user-list/component.jsx

...utton-html5/imports/ui/components/user-list/container.jsx

...uebutton-html5/imports/ui/components/user-list/service.js

...s/ui/components/user-list/user-list-content/component.jsx

...s/user-list/user-list-content/user-messages/container.jsx