[fix] improve result handling of startpage engine
[fix] improve result handling of startpage engine

PwnArt1st/searx,gugod/searx,GreenLunar/searx,misnyo/searx,pointhi/searx,jibe-b/searx,GreenLunar/searx,PwnArt1st/searx,pointhi/searx,matejc/searx,dalf/searx,GreenLunar/searx,matejc/searx,PwnArt1st/searx,jcherqui/searx,pointhi/searx,dalf/searx,matejc/searx,GreenLunar/searx,dalf/searx,misnyo/searx,jibe-b/searx,potato/searx,misnyo/searx,gugod/searx,asciimoo/searx,jcherqui/searx,potato/searx,asciimoo/searx,asciimoo/searx,jibe-b/searx,dzc34/searx,jcherqui/searx,jcherqui/searx,dzc34/searx,gugod/searx,potato/searx,misnyo/searx,PwnArt1st/searx,dzc34/searx,jibe-b/searx,pointhi/searx,asciimoo/searx,potato/searx,matejc/searx,dalf/searx,gugod/searx,dzc34/searx