Move frameId check from toggleHelpDialog to its message listener
Move frameId check from toggleHelpDialog to its message listener

gdh1995/vimium,gdh1995/vimium,gdh1995/vimium,mrmr1993/vimium,decaffeinate-examples/vimium,willsALMANJ/vimium,mrmr1993/vimium,smblott-github/vimium,poacher2k/vimium,willsALMANJ/vimium,mrmr1993/vimium,willsALMANJ/vimium,philc/vimium,decaffeinate-examples/vimium,smblott-github/vimium,decaffeinate-examples/vimium,philc/vimium,smblott-github/vimium,poacher2k/vimium,poacher2k/vimium,philc/vimium