Correctly handle <set> directly within <component>.

path: root/icon-themes/breeze_svg/cmd/lc_polygon_diagonal.svg

<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="m5 5v14h6 8v-6h-8v-8z" fill="#b3b3b3"/><path d="m4 4v8 8h16v-8h-8v-8zm1 1h6v8h8v6h-8-6z" fill="#232629"/></svg>