fix splitting with inverted selection
fix splitting with inverted selection

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