At Canuck Place children’s hospice, the culinary team feeds the families of terminally ill children — in more ways than one. — North of King Edward Avenue in Vancouver’s tony neighbourhood of Shaughnessy, Marguerite Street bends gently until it meets, then becomes, Matthews Avenue. There, behind the Scottish wrought-iron fence, hunches the historic Glen Brae mansion. Built in 1910 for lumber baron William Lamont Tait, it was meant to conjure up the…