function transform(d, selectedImageId) {
        let t = svgPointTransform(projection)(d);
        let rot = d.heading;
        if (d.id === selectedImageId) {
            rot += _viewerYaw;
        }
        if (rot) {
            t += ' rotate(' + Math.floor(rot) + ',0,0)';
        }
        return t;
    }
Updates the viewfinder for the selected image bubble based on the frame's yaw
@param {*} d Current Active image Data
@param {*} selectedImageId  The selected bubble image ID