Fix initial selected input hint index.
Fix initial selected input hint index.

elderbas/vimium,justalittlenoob/vimium,dimatter/vimium,zhangmin510/vimium,dimatter/vimium,Lw-Cui/vimium,PrestanceDesign/vimium,Aleroniponi/vimium,decaffeinate-examples/vimium,douglas-larocca/vimium,justalittlenoob/vimium,smblott-github/vimium-smblott,smblott-github/vimium,elderbas/vimium,mrmr1993/vimium,dimatter/vimium,crazypenguincode/vimium,justalittlenoob/vimium,decaffeinate-examples/vimium,elegantwww/vimium,Aleroniponi/vimium,tuchangwei/vimium,cyrixhero/vimium,elegantwww/vimium,poacher2k/vimium,poacher2k/vimium,douglas-larocca/vimium,hhsue/vimium,poacher2k/vimium,mrmr1993/vimium,hhsue/vimium,decaffeinate-examples/vimium,Aleroniponi/vimium,VPashkov/vimium,douglas-larocca/vimium,PickRelated/vimium,philc/vimium,wildeyes/vimium,hhsue/vimium,VPashkov/vimium,gdh1995/vimium,gdh1995/vimium,smblott-github/vimium-smblott,philc/vimium,elderbas/vimium,willsALMANJ/vimium,elegantwww/vimium,Lw-Cui/vimium,bkudria/vimium,smblott-github/vimium,willsALMANJ/vimium,jb55/vimium-plus,smblott-github/vimium,bkudria/vimium,borgified/vimium,bkudria/vimium,mrmr1993/vimium,PickRelated/vimium,csmalin/vimium,zhangmin510/vimium,wildeyes/vimium,Robinson10240/vimium,willsALMANJ/vimium,Robinson10240/vimium,csmalin/vimium,VPashkov/vimium,cyrixhero/vimium,philc/vimium,zhangmin510/vimium,PickRelated/vimium,borgified/vimium,cyrixhero/vimium,borgified/vimium,jb55/vimium-plus,tuchangwei/vimium,Robinson10240/vimium,wildeyes/vimium,PrestanceDesign/vimium,tuchangwei/vimium,csmalin/vimium,Lw-Cui/vimium,gdh1995/vimium,PrestanceDesign/vimium,crazypenguincode/vimium