HstRequestUtils#getCmsBaseURL produces NPE in case #getPathInfo() is null

    public static String getCmsBaseURL(final HttpServletRequest cmsHostServletRequest) {

       ..snip..
      
       final ResolvedMount resolvedMount = resolvedCmsHost.matchMount(cmsHostServletRequest.getPathInfo());

   public ResolvedMount matchMount(final String requestPath) throws MatchException {
        if(portMount.getRootMount() == null) {
            log.error("Virtual Host '{}' for portnumber '{}' is not (correctly) mounted: We cannot return a ResolvedMount. Return null", virtualHost.getHostName(), String.valueOf(portMount.getPortNumber()));
            return null;
        }

        // strip leading and trailing slashes
        String path = PathUtils.normalizePath(requestPath);

        String matchingIgnoredPrefix = null;
        // check whether the requestPath starts with the cmsPreviewPrefix path: If so, first strip this prefix off and append it later to the resolvedMountPath

        if(!StringUtils.isEmpty(virtualHost.getVirtualHosts().getCmsPreviewPrefix())) {
            if (path.equals(virtualHost.getVirtualHosts().getCmsPreviewPrefix())) {   
             // path is null!