fix(event-manager): address event targets with shadow dom and event delegation
fix(event-manager): address event targets with shadow dom and event delegation

bigopon/binding,jdanyow/binding,davismj/binding,z-brooks/binding,mbroadst/binding,shanonvl/aurelia-binding,jods4/binding,JeroenVinke/binding,aurelia/binding,hitesh97/binding,cmichaelgraham/binding