Fix assignee change in Issues::UpdateService
Fix assignee change in Issues::UpdateService

Signed-off-by: Dmitriy Zaporozhets <be23d75b156792e5acab51b196a2deb155d35d6a@gmail.com>

michaKFromParis/gitlabhq,phinfonet/mobbr-gitlabhq,childbamboo/gitlabhq,LytayTOUCH/gitlabhq,openwide-java/gitlabhq,rumpelsepp/gitlabhq,Telekom-PD/gitlabhq,chenrui2014/gitlabhq,pjknkda/gitlabhq,shinexiao/gitlabhq,aaronsnyder/gitlabhq,salipro4ever/gitlabhq,fscherwi/gitlabhq,koreamic/gitlabhq,chadyred/gitlabhq,pjknkda/gitlabhq,dwrensha/gitlabhq,rhels/gitlabhq,fscherwi/gitlabhq,martijnvermaat/gitlabhq,lvfeng1130/gitlabhq,whluwit/gitlabhq,H3Chief/gitlabhq,fgbreel/gitlabhq,vjustov/gitlabhq,whluwit/gitlabhq,dplarson/gitlabhq,rebecamendez/gitlabhq,stoplightio/gitlabhq,Soullivaneuh/gitlabhq,Tyrael/gitlabhq,WSDC-NITWarangal/gitlabhq,SkyWei/gitlabhq,tk23/gitlabhq,jrjang/gitlabhq,pkgr/gitlabhq,larryli/gitlabhq,koreamic/gitlabhq,per-garden/gitlabhq,xuvw/gitlabhq,Telekom-PD/gitlabhq,ibiart/gitlabhq,cinderblock/gitlabhq,NKMR6194/gitlabhq,salipro4ever/gitlabhq,joalmeid/gitlabhq,bladealslayer/gitlabhq,SVArago/gitlabhq,gopeter/gitlabhq,icedwater/gitlabhq,martinma4/gitlabhq,allistera/gitlabhq,szechyjs/gitlabhq,dukex/gitlabhq,screenpages/gitlabhq,szechyjs/gitlabhq,chenrui2014/gitlabhq,whluwit/gitlabhq,adaiguoguo/gitlab_globalserarch,DanielZhangQingLong/gitlabhq,hq804116393/gitlabhq,tim-hoff/gitlabhq,stanhu/gitlabhq,michaKFromParis/sparkslab,youprofit/gitlabhq,lvfeng1130/gitlabhq,williamherry/gitlabhq,LUMC/gitlabhq,hq804116393/gitlabhq,rumpelsepp/gitlabhq,duduribeiro/gitlabhq,kitech/gitlabhq,Telekom-PD/gitlabhq,rfeese/gitlab-ce,NuLL3rr0r/gitlabhq,sakishum/gitlabhq,cinderblock/gitlabhq,pulkit21/gitlabhq,joalmeid/gitlabhq,it33/gitlabhq,dreampet/gitlab,OtkurBiz/gitlabhq,yatish27/gitlabhq,aaronsnyder/gitlabhq,ayufan/gitlabhq,Keystion/gitlabhq,atomaka/gitlabhq,mrb/gitlabhq,nguyen-tien-mulodo/gitlabhq,SkyWei/gitlabhq,michaKFromParis/gitlabhqold,yatish27/gitlabhq,jrjang/gitlabhq,theonlydoo/gitlabhq,OlegGirko/gitlab-ce,rfeese/gitlab-ce,hacsoc/gitlabhq,NKMR6194/gitlabhq,jrjang/gitlab-ce,williamherry/gitlabhq,windymid/test2,koreamic/gitlabhq,koreamic/gitlabhq,cui-liqiang/gitlab-ce,fendoudeqingchunhh/gitlabhq,mavimo/gitlabhq,gopeter/gitlabhq,LUMC/gitlabhq,Tyrael/gitlabhq,theonlydoo/gitlabhq,openwide-java/gitlabhq,eliasp/gitlabhq,Kambda/mobbr-gitlabhq,NuLL3rr0r/gitlabhq,youprofit/gitlabhq,mathstuf/gitlabhq,duduribeiro/gitlabhq,bigsurge/gitlabhq,wangcan2014/gitlabhq,gorgee/gitlabhq,ngpestelos/gitlabhq,aaronsnyder/gitlabhq,MauriceMohlek/gitlabhq,flashbuckets/gitlabhq,cui-liqiang/gitlab-ce,initiummedia/gitlabhq,jvanbaarsen/gitlabhq,hq804116393/gitlabhq,luzhongyang/gitlabhq,ZeoAlliance/gitlabhq,allysonbarros/gitlabhq,since2014/gitlabhq,DanielZhangQingLong/gitlabhq,NARKOZ/gitlabhq,revaret/gitlabhq,akumetsuv/gitlab,zBMNForks/gitlabhq,Keystion/gitlabhq,cui-liqiang/gitlab-ce,sekcheong/gitlabhq,luzhongyang/gitlabhq,Tyrael/gitlabhq,axilleas/gitlabhq,jrjang/gitlab-ce,martinma4/gitlabhq,vjustov/gitlabhq,SVArago/gitlabhq,Devin001/gitlabhq,dvrylc/gitlabhq,htve/GitlabForChinese,darkrasid/gitlabhq,ksoichiro/gitlabhq,martinma4/gitlabhq,ngpestelos/gitlabhq,copystudy/gitlabhq,fpgentil/gitlabhq,xuvw/gitlabhq,Keystion/gitlabhq,k4zzk/gitlabhq,mavimo/gitlabhq,fantasywind/gitlabhq,nmav/gitlabhq,tempbottle/gitlabhq,theodi/gitlabhq,manfer/gitlabhq,dukex/gitlabhq,fscherwi/gitlabhq,stoplightio/gitlabhq,mente/gitlabhq,adaiguoguo/gitlab_globalserarch,folpindo/gitlabhq,folpindo/gitlabhq,kemenaran/gitlabhq,gorgee/gitlabhq,gopeter/gitlabhq,Datacom/gitlabhq,Kambda/mobbr-gitlabhq,it33/gitlabhq,copystudy/gitlabhq,Razer6/gitlabhq,ikappas/gitlabhq,per-garden/gitlabhq,stanhu/gitlabhq,icedwater/gitlabhq,atomaka/gitlabhq,yonglehou/gitlabhq,fearenales/gitlabhq,kitech/gitlabhq,ferdinandrosario/gitlabhq,ordiychen/gitlabhq,axilleas/gitlabhq,sue445/gitlabhq,michaKFromParis/gitlabhqold,lvfeng1130/gitlabhq,cncodog/gitlab,fearenales/gitlabhq,sideci-sample/sideci-sample-gitlabhq,sonalkr132/gitlabhq,Kambda/Mobbr,yuyue2013/ss,it33/gitlabhq,H3Chief/gitlabhq,MauriceMohlek/gitlabhq,Burick/gitlabhq,Devin001/gitlabhq,aaronsnyder/gitlabhq,rhels/gitlabhq,fantasywind/gitlabhq,lvfeng1130/gitlabhq,allysonbarros/gitlabhq,julianengel/gitlabhq,delkyd/gitlabhq,jirutka/gitlabhq,rebecamendez/gitlabhq,Razer6/gitlabhq,SVArago/gitlabhq,allistera/gitlabhq,123Haynes/gitlabhq,dukex/gitlabhq,jirutka/gitlabhq,bozaro/gitlabhq,kemenaran/gitlabhq,ikappas/gitlabhq,gorgee/gitlabhq,ferdinandrosario/gitlabhq,wangcan2014/gitlabhq,NARKOZ/gitlabhq,louahola/gitlabhq,stellamiranda/mobbr-gitlabhq,youprofit/gitlabhq,rebecamendez/gitlabhq,hzy001/gitlabhq,michaKFromParis/gitlabhqold,ayufan/gitlabhq,vjustov/gitlabhq,szechyjs/gitlabhq,theodi/gitlabhq,eliasp/gitlabhq,hq804116393/gitlabhq,screenpages/gitlabhq,NKMR6194/gitlabhq,yfaizal/gitlabhq,Datacom/gitlabhq,jrjang/gitlab-ce,daiyu/gitlab-zh,dreampet/gitlab,martijnvermaat/gitlabhq,flashbuckets/gitlabhq,NKMR6194/gitlabhq,iiet/iiet-git,stanhu/gitlabhq,ayufan/gitlabhq,theonlydoo/gitlabhq,liyakun/gitlabhq,dwrensha/gitlabhq,yuyue2013/ss,H3Chief/gitlabhq,liyakun/gitlabhq,since2014/gitlabhq,mr-dxdy/gitlabhq,sekcheong/gitlabhq,OtkurBiz/gitlabhq,chenrui2014/gitlabhq,fendoudeqingchunhh/gitlabh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