Reduce complexity in ParallelAssignment
Reduce complexity in ParallelAssignment

Extract `modifier_range` from `ModifierCorrector#correction`.

savef/rubocop,lucasuyezu/rubocop,mikegee/rubocop,legendetm/rubocop,deivid-rodriguez/rubocop,tejasbubane/rubocop,petehamilton/rubocop,ilansh/rubocop,sinsoku/rubocop,bbatsov/rubocop,akihiro17/rubocop,sue445/rubocop,panthomakos/rubocop,dreyks/rubocop,iGEL/rubocop,melch/rubocop,maxjacobson/rubocop,lucasuyezu/rubocop,melch/rubocop,sue445/rubocop,alexdowad/rubocop,NobodysNightmare/rubocop,tdeo/rubocop,urbanautomaton/rubocop,alexcstark/rubocop,rtlechow/rubocop,smakagon/rubocop,vergenzt/rubocop,jmks/rubocop,urbanautomaton/rubocop,rrosenblum/rubocop,iGEL/rubocop,b-t-g/rubocop,jfelchner/rubocop,maxjacobson/rubocop,akihiro17/rubocop,haziqhafizuddin/rubocop,bquorning/rubocop,scottmatthewman/rubocop,bankair/rubocop,mclark/rubocop,smakagon/rubocop,rrosenblum/rubocop,scottmatthewman/rubocop,Drenmi/rubocop,bankair/rubocop,deivid-rodriguez/rubocop,pocke/rubocop,akihiro17/rubocop,jfelchner/rubocop,palkan/rubocop,mikegee/rubocop,rtlechow/rubocop,NobodysNightmare/rubocop,sue445/rubocop,jfelchner/rubocop,sinsoku/rubocop,meganemura/rubocop,palkan/rubocop,vergenzt/rubocop,petehamilton/rubocop,savef/rubocop,legendetm/rubocop,hanumakanthvvn/rubocop,tdeo/rubocop,meganemura/rubocop,maxjacobson/rubocop,bbatsov/rubocop,haziqhafizuddin/rubocop,panthomakos/rubocop,ilansh/rubocop,lumeet/rubocop,bquorning/rubocop,tejasbubane/rubocop,bquorning/rubocop,tdeo/rubocop,tejasbubane/rubocop,dreyks/rubocop,alexcstark/rubocop,petehamilton/rubocop,alexdowad/rubocop,vergenzt/rubocop,b-t-g/rubocop,pocke/rubocop,jmks/rubocop,backus/rubocop,Drenmi/rubocop,palkan/rubocop,mclark/rubocop,hanumakanthvvn/rubocop,jmks/rubocop,panthomakos/rubocop,meganemura/rubocop,rrosenblum/rubocop,lumeet/rubocop,mikegee/rubocop,backus/rubocop,deivid-rodriguez/rubocop