fix grouped field and chunked source managing to live through item deletion
fix grouped field and chunked source managing to live through item deletion

Signed-off-by: Chris Granger <5654cde260ae99bc4d30054171b8bcd902efd19a@gmail.com>

bjtitus/Eve,steveklabnik/Eve,steveklabnik/Eve,bjtitus/Eve,pel-daniel/Eve,bluesnowman/Eve,rschroll/Eve,sagittaros/Eve,shamim8888/Eve,agumonkey/Eve,shaunstanislaus/Eve-1,dirvine/Eve,8l/Eve,brunotag/Eve,sherbondy/Eve,8l/Eve,kidaa/Eve-1,tobyjsullivan/Eve,adjohnson916/Eve,justintaft/Eve,brunotag/Eve,jhftrifork/Eve,rschroll/Eve,ViniciusAtaide/Eve,hrishimittal/Eve,ViniciusAtaide/Eve,adjohnson916/Eve,adjohnson916/Eve,sherbondy/Eve,dirvine/Eve,tobyjsullivan/Eve,nonZero/Eve,shamim8888/Eve,justintaft/Eve,pel-daniel/Eve,nonZero/Eve,Drooids/Eve,kidaa/Eve-1,bluesnowman/Eve,sagittaros/Eve,steveklabnik/Eve,bluesnowman/Eve,bjtitus/Eve,sagittaros/Eve,adjohnson916/Eve,8l/Eve,tobyjsullivan/Eve,Drooids/Eve,sherbondy/Eve,pel-daniel/Eve,shaunstanislaus/Eve-1,sherbondy/Eve,sagittaros/Eve,fineline/Eve,shaunstanislaus/Eve-1,bjtitus/Eve,dirvine/Eve,dirvine/Eve,jhftrifork/Eve,hrishimittal/Eve,ViniciusAtaide/Eve,tobyjsullivan/Eve,dirvine/Eve,brunotag/Eve,shamim8888/Eve,rschroll/Eve,tobyjsullivan/Eve,agumonkey/Eve,hrishimittal/Eve,justintaft/Eve,8l/Eve,kidaa/Eve-1,sherbondy/Eve,ViniciusAtaide/Eve,agumonkey/Eve,shamim8888/Eve,brunotag/Eve,jhftrifork/Eve,agumonkey/Eve,Drooids/Eve,shaunstanislaus/Eve-1,fineline/Eve,steveklabnik/Eve,ViniciusAtaide/Eve,kidaa/Eve-1,agumonkey/Eve,justintaft/Eve,nonZero/Eve,fineline/Eve,rschroll/Eve,adjohnson916/Eve,sagittaros/Eve,hrishimittal/Eve,nonZero/Eve,brunotag/Eve,bluesnowman/Eve,rschroll/Eve,shaunstanislaus/Eve-1,pel-daniel/Eve,fineline/Eve,steveklabnik/Eve,fineline/Eve,nonZero/Eve,Drooids/Eve,8l/Eve,hrishimittal/Eve,jhftrifork/Eve,Drooids/Eve,jhftrifork/Eve,shamim8888/Eve