Update video rooms to new design specs (#8207)

* Remove radio component

* "Voice room" → "video room"

* Remove interactivity from video room tiles

* Update connection state when joining via widget

* Simplify room header buttons for video rooms

* Split out video room creation into a separate menu option

* Simplify room options for video rooms

* Update video room tile layout

* Tell the Jitsi widget whether it's a video channel

* Update tests

* "Voice" → "video" in more places

* Fix tests

* Re-add frame to immersive Jitsi widgets

* Comment ack

* Make updateDevices more readable

* Type FacePile

src/components/views/rooms/RoomHeader.tsx

@@ -206,6 +206,7 @@ export default class RoomHeader extends React.Component<IProps, IState> {
         const buttons: JSX.Element[] = [];
 
         if (this.props.inRoom &&
+            this.props.onCallPlaced &&
             !this.context.tombstone &&
             SettingsStore.getValue("showCallButtonsInComposer")
         ) {