Set the register incrementally as well during incremental search
Set the register incrementally as well during incremental search

Fixes #1054

occivink/kakoune,casimir/kakoune,mawww/kakoune,casimir/kakoune,danr/kakoune,casimir/kakoune,casimir/kakoune,lenormf/kakoune,occivink/kakoune,lenormf/kakoune,jjthrash/kakoune,ekie/kakoune,mawww/kakoune,danr/kakoune,mawww/kakoune,ekie/kakoune,Somasis/kakoune,Somasis/kakoune,occivink/kakoune,lenormf/kakoune,jjthrash/kakoune,alexherbo2/kakoune,lenormf/kakoune,jkonecny12/kakoune,jjthrash/kakoune,mawww/kakoune,Somasis/kakoune,ekie/kakoune,danr/kakoune,jkonecny12/kakoune,jkonecny12/kakoune,jjthrash/kakoune,danr/kakoune,Somasis/kakoune,occivink/kakoune,alexherbo2/kakoune,alexherbo2/kakoune,jkonecny12/kakoune,ekie/kakoune,alexherbo2/kakoune