Download dialog: make autoselection work for new files as well.
Download dialog: make autoselection work for new files as well.

svn path=/trunk/kdelibs/kate/; revision=324151

DickJ/kate,sandsmark/kate,hlamer/kate,DickJ/kate,jfmcarreira/kate,hlamer/kate,hlamer/kate,sandsmark/kate,sandsmark/kate,hlamer/kate,DickJ/kate,cmacq2/kate,hlamer/kate,cmacq2/kate,cmacq2/kate,hlamer/kate,hlamer/kate,hlamer/kate,jfmcarreira/kate,sandsmark/kate,DickJ/kate,jfmcarreira/kate,hlamer/kate,hlamer/kate