Split up multiraft's handleWriteResponse method.
Split up multiraft's handleWriteResponse method.

Only code movement in this commit.

sunya123/cockroach,nkhuyu/cockroach,mbonaci/cockroach,nieyy/cockroach,veteranlu/cockroach,fengshao0907/cockroach,nkhuyu/cockroach,petermattis/cockroach,slavau/cockroach,vaibhavarora/cockroach,arjun4084346/cockroach,jgautheron/cockroach,yananzhi/cockroach,glycerine/cockroach,maxlang/cockroach,loucash/cockroach,c4pt0r/cockroach,Abioy/cockroach,bg451/cockroach,fengshao0907/cockroach,alunarbeach/cockroach,ngaut/cockroach,sunya123/cockroach,bg451/cockroach,sunya123/cockroach,vivekmenezes/cockroach,iqstack/cockroach,alunarbeach/cockroach,cockroachdb/cockroach,iqstack/cockroach,ajayaa/cockroach,domluna/cockroach,yosiat/cockroach,abhishekgahlot/cockroach,arjun4084346/cockroach,cockroachdb/cockroach,nieyy/cockroach,yosiat/cockroach,c4pt0r/cockroach,paperstreet/cockroach,yananzhi/cockroach,nkhuyu/cockroach,marcuswestin/cockroach,mbertschler/cockroach,vivekmenezes/cockroach,slavau/cockroach,chrisseto/cockroach,jmank88/cockroach,yananzhi/cockroach,abhishekgahlot/cockroach,freakynit/cockroach,yiixiansheng/cockroach,yiixiansheng/cockroach,jamesgraves/cockroach,alex/cockroach,iqstack/cockroach,bg451/cockroach,ajayaa/cockroach,vaibhavarora/cockroach,glycerine/cockroach,domluna/cockroach,yosiat/cockroach,nieyy/cockroach,freakynit/cockroach,sunya123/cockroach,bg451/cockroach,alex/cockroach,iqstack/cockroach,mbonaci/cockroach,nkhuyu/cockroach,paperstreet/cockroach,abhishekgahlot/cockroach,loucash/cockroach,marcuswestin/cockroach,arypurnomoz/cockroach,linearb/cockroach,vaibhavarora/cockroach,alex/cockroach,XisiHuang/cockroach,petermattis/cockroach,SustainFund/cockroach,arypurnomoz/cockroach,alunarbeach/cockroach,jgautheron/cockroach,GokulSrinivas/cockroach,vaibhavarora/cockroach,hassyma/cockroach,chrisseto/cockroach,maxlang/cockroach,yosiat/cockroach,mbonaci/cockroach,mbonaci/cockroach,yananzhi/cockroach,veteranlu/cockroach,jess-edwards/cockroach,jgautheron/cockroach,petermattis/cockroach,nkhuyu/cockroach,il9ue/cockroach,yiixiansheng/cockroach,cuongdo/cockroach,alunarbeach/cockroach,freakynit/cockroach,arypurnomoz/cockroach,yananzhi/cockroach,fengshao0907/cockroach,maxlang/cockroach,vivekmenezes/cockroach,veteranlu/cockroach,nieyy/cockroach,jmank88/cockroach,GokulSrinivas/cockroach,hassyma/cockroach,sunya123/cockroach,maxlang/cockroach,cockroachdb/cockroach,abhishekgahlot/cockroach,bg451/cockroach,arjun4084346/cockroach,cockroachdb/cockroach,alex/cockroach,arypurnomoz/cockroach,nieyy/cockroach,paperstreet/cockroach,cuongdo/cockroach,jmank88/cockroach,bg451/cockroach,c4pt0r/cockroach,Abioy/cockroach,jmank88/cockroach,veteranlu/cockroach,linearb/cockroach,hassyma/cockroach,alunarbeach/cockroach,sunya123/cockroach,vaibhavarora/cockroach,jess-edwards/cockroach,veteranlu/cockroach,marcuswestin/cockroach,il9ue/cockroach,maxlang/cockroach,vaibhavarora/cockroach,vivekmenezes/cockroach,ngaut/cockroach,yosiat/cockroach,nieyy/cockroach,paperstreet/cockroach,cockroachdb/cockroach,cuongdo/cockroach,marcuswestin/cockroach,il9ue/cockroach,arypurnomoz/cockroach,jmank88/cockroach,paperstreet/cockroach,nieyy/cockroach,maxlang/cockroach,chrisseto/cockroach,loucash/cockroach,maxlang/cockroach,veteranlu/cockroach,paperstreet/cockroach,jgautheron/cockroach,linearb/cockroach,SustainFund/cockroach,domluna/cockroach,briceburg/cockroach,linearb/cockroach,mbertschler/cockroach,Abioy/cockroach,arjun4084346/cockroach,domluna/cockroach,briceburg/cockroach,XisiHuang/cockroach,veteranlu/cockroach,arjun4084346/cockroach,il9ue/cockroach,cuongdo/cockroach,GokulSrinivas/cockroach,mbertschler/cockroach,jamesgraves/cockroach,arjun4084346/cockroach,yananzhi/cockroach,yananzhi/cockroach,briceburg/cockroach,abhishekgahlot/cockroach,glycerine/cockroach,ngaut/cockroach,XisiHuang/cockroach,domluna/cockroach,yiixiansheng/cockroach,hassyma/cockroach,slavau/cockroach,cuongdo/cockroach,iqstack/cockroach,hassyma/cockroach,bg451/cockroach,il9ue/cockroach,arypurnomoz/cockroach,jess-edwards/cockroach,jamesgraves/cockroach,linearb/cockroach,glycerine/cockroach,loucash/cockroach,alex/cockroach,freakynit/cockroach,freakynit/cockroach,mbertschler/cockroach,mbertschler/cockroach,marcuswestin/cockroach,Abioy/cockroach,briceburg/cockroach,jamesgraves/cockroach,ngaut/cockroach,jamesgraves/cockroach,ajayaa/cockroach,jess-edwards/cockroach,petermattis/cockroach,ajayaa/cockroach,hassyma/cockroach,il9ue/cockroach,jmank88/cockroach,nieyy/cockroach,abhishekgahlot/cockroach,vaibhavarora/cockroach,cuongdo/cockroach,jamesgraves/cockroach,domluna/cockroach,il9ue/cockroach,mbertschler/cockroach,petermattis/cockroach,glycerine/cockroach,linearb/cockroach,vivekmenezes/cockroach,slavau/cockroach,c4pt0r/cockroach,jmank88/cockroach,cockroachdb/cockroach,SustainFund/cockroach,SustainFund/cockroach,loucash/cockroach,cockroachdb/cockroach,jess-edwards/cockroach,marcuswestin/cockroach,GokulSrinivas/cockroach,slavau/cockroach,glycerine/cockroach,il9ue/cockroach,GokulSrinivas/cockroach,jamesgraves/cockroach,vivekmenezes/cockroach,marcuswestin/cockroach,paperstreet/cockroach,briceburg/cockroach,XisiHuang/coc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