Reread file timestamp at the moment the user choose to keep
Reread file timestamp at the moment the user choose to keep

The previous behaviour ended up asking twice for reloading if the
buffer was modified again after Kakoune had detected the first
change.

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