Mode indicator: fix insert mode within edit mode.
Mode indicator: fix insert mode within edit mode.

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