I was able to get the select component to clear using the client state param and adding this to the client script to reset the selected value onclick api.setState("listRefresh", {"timestamp":Date.now()});here is a video that shows how as well.UI Buil...
Found answer in other thread : Need to create multiple email client templates to ... - ServiceNow CommunityKBA : Email client only supports one email client template per table - Support and Troubleshooting - no can do multiple email templates on tabl...