code: function setCookie(cookieName, value, validity, useAppPrefix = true){
  
      const appPrefix = useAppPrefix ? _getAppPrefix() : '';
      const cookieString = appPrefix + cookieName + '=' + value + ';' + 'expires=' + 
          validity.toUTCString();
  
      document.cookie = cookieString;
  
  
  }
docs: Sets the cookie with the given name, value and validity. Appends appId and version information
  in the cookie name automatically
  @memberof Utils
  @param {string} cookieName name of the cookie
  @param {string} value value of the cookie
  @param {Date} validity valid till date object