grep.kak: Fix some missed used of jump instead of grep-jump
grep.kak: Fix some missed used of jump instead of grep-jump

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