Fix buffer modification check
Fix buffer modification check

It used to grab the next key, because the normal mode reactivation
when executing the on_next_key would trigger a timestamp check again.

jjthrash/kakoune,flavius/kakoune,ekie/kakoune,mawww/kakoune,mawww/kakoune,ekie/kakoune,Somasis/kakoune,Somasis/kakoune,elegios/kakoune,jjthrash/kakoune,lenormf/kakoune,occivink/kakoune,jjthrash/kakoune,Asenar/kakoune,danielma/kakoune,alexherbo2/kakoune,flavius/kakoune,jkonecny12/kakoune,flavius/kakoune,casimir/kakoune,alexherbo2/kakoune,alpha123/kakoune,rstacruz/kakoune,danr/kakoune,alpha123/kakoune,danr/kakoune,jkonecny12/kakoune,elegios/kakoune,lenormf/kakoune,lenormf/kakoune,rstacruz/kakoune,Asenar/kakoune,casimir/kakoune,Asenar/kakoune,danr/kakoune,casimir/kakoune,xificurC/kakoune,occivink/kakoune,elegios/kakoune,xificurC/kakoune,casimir/kakoune,Somasis/kakoune,Somasis/kakoune,mawww/kakoune,alpha123/kakoune,flavius/kakoune,alpha123/kakoune,occivink/kakoune,ekie/kakoune,rstacruz/kakoune,danielma/kakoune,mawww/kakoune,lenormf/kakoune,zakgreant/kakoune,alexherbo2/kakoune,danielma/kakoune,zakgreant/kakoune,Asenar/kakoune,jkonecny12/kakoune,danielma/kakoune,elegios/kakoune,zakgreant/kakoune,xificurC/kakoune,occivink/kakoune,danr/kakoune,xificurC/kakoune,ekie/kakoune,zakgreant/kakoune,alexherbo2/kakoune,jjthrash/kakoune,rstacruz/kakoune,jkonecny12/kakoune