When clearing assignee, mark field as changed so user is prompted to save
When clearing assignee, mark field as changed so user is prompted to save

dachaac/thebuggenie,hurie/thebuggenie,stolenbike/thebuggenie,milkyway-git/thebuggenie,azaghal/thebuggenie,thebuggenie/thebuggenie,thebuggenie/thebuggenie,Rvanlaak/thebuggenie,dachaac/thebuggenie,praveenscience/thebuggenie,praveenscience/thebuggenie,gabor-udvari/thebuggenie,deshion/thebuggenie,dachaac/thebuggenie,gabor-udvari/thebuggenie,JonathanRH/thebuggenie,LogosLabs/thebuggenie,LogosLabs/thebuggenie,azaghal/thebuggenie,thebuggenie/thebuggenie,stolenbike/thebuggenie,SysBind/thebuggenie,SamMousa/thebuggenie,nrensen/thebuggenie,thebuggenie/thebuggenie,stolenbike/thebuggenie,hurie/thebuggenie,SysBind/thebuggenie,nrensen/thebuggenie,milkyway-git/thebuggenie,gabor-udvari/thebuggenie,praveenscience/thebuggenie,SysBind/thebuggenie,SysBind/thebuggenie,deshion/thebuggenie,nrensen/thebuggenie,azaghal/thebuggenie,hurie/thebuggenie,LogosLabs/thebuggenie,gabor-udvari/thebuggenie,SamMousa/thebuggenie,JonathanRH/thebuggenie,stolenbike/thebuggenie,LogosLabs/thebuggenie,Rvanlaak/thebuggenie,dachaac/thebuggenie,thebuggenie/thebuggenie,JonathanRH/thebuggenie,deshion/thebuggenie,milkyway-git/thebuggenie,praveenscience/thebuggenie,Rvanlaak/thebuggenie,deshion/thebuggenie,Rvanlaak/thebuggenie,SamMousa/thebuggenie,JonathanRH/thebuggenie,hurie/thebuggenie,nrensen/thebuggenie,SamMousa/thebuggenie,azaghal/thebuggenie,milkyway-git/thebuggenie