Modes; fix error for exit insert mode.
Modes; fix error for exit insert mode.

We were blurring the active input element whenever we exit insert mode
(my bad).  It should only be blurred when we exit insert mode via
Escape.

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