Simplify activate-on-enter logic.
Simplify activate-on-enter logic.

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