message: Properly gate SpaceRoomView behind labs
diff: @@ -1874,7 +1874,7 @@ export default class RoomView extends React.Component<IProps, IState> {
  );
  }
  - if (this.state.room?.isSpaceRoom()) {
  + if (SettingsStore.getValue("feature_spaces") && this.state.room?.isSpaceRoom()) {
  return <SpaceRoomView
  space={this.state.room}
  justCreatedOpts={this.props.justCreatedOpts}
  