add Copy DUID convenience button - adds `Copy DUID` convenience button/js - no page refresh or AJAX
add Copy DUID convenience button
- adds `Copy DUID` convenience button/js
- no page refresh or AJAX

pfsense/pfsense,dennypage/pfsense,NOYB/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,jxmx/pfsense,NewEraCracker/pfsense,dennypage/pfsense,NewEraCracker/pfsense,brunostein/pfsense,jxmx/pfsense,phil-davis/pfsense,dennypage/pfsense,ptorsten/pfsense,phil-davis/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,pfsense/pfsense,NOYB/pfsense,jxmx/pfsense,pfsense/pfsense,phil-davis/pfsense,pfsense/pfsense,NOYB/pfsense,dennypage/pfsense,brunostein/pfsense,ptorsten/pfsense,brunostein/pfsense