move show footer logic to callViewModel

Also remove header prop. This is accesible via urlParams.

src/room/GroupCallView.tsx

@@ -93,7 +93,6 @@ interface Props {
   confineToRoom: boolean;
   preload: UrlParams["preload"];
   skipLobby: UrlParams["skipLobby"];
-  header: HeaderStyle;
   rtcSession: MatrixRTCSession;
   joined: boolean;
   setJoined: (value: boolean) => void;
@@ -107,7 +106,6 @@ export const GroupCallView: FC<Props> = ({
   confineToRoom,
   preload,
   skipLobby,
-  header,
   rtcSession,
   joined,
   setJoined,
@@ -182,6 +180,7 @@ export const GroupCallView: FC<Props> = ({
     perParticipantE2EE,
     returnToLobby,
     password: passwordFromUrl,
+    header,
   } = useUrlParams();
   const e2eeSystem = useRoomEncryptionSystem(room.roomId);
 
@@ -463,7 +462,6 @@ export const GroupCallView: FC<Props> = ({
           rtcSession={rtcSession as MatrixRTCSession}
           matrixRoom={room}
           onLeft={onLeft}
-          header={header}
           muteStates={muteStates}
           e2eeSystem={e2eeSystem}
           //otelGroupCallMembership={otelGroupCallMembership}