* add timeout for widget in widget settings
* forgot get saved timeout and added default value for all widgets
* code correction
* move refresh to json
* forgot remove old code
* added refresh validate rule
* fix empty refresh for exist widgets
* fix empty settings for new widgets
* Set refresh in base
Update refresh at runtime (doesn't interrupt previous timeout)
* Update WidgetSettingsController.php
Co-authored-by: Tony Murray <murraytony@gmail.com>