only draw the selection background of the color-buttons if we have a selected entry and don't draw it if that item is the group heading.
only draw the selection background of the color-buttons if we have a selected
entry and don't draw it if that item is the group heading.

svn path=/trunk/KDE/kdelibs/kate/; revision=705872

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