Bigpicture optimization (#69)

* Download icons  when not in bigpicture mode

src/heroic/heroic_game.rs

@@ -45,7 +45,7 @@ impl From<HeroicGame> for ShortcutOwned {
             game.title.as_str(),
             &target,
             &install_path,
-            "",
+            &target,
             "",
             &game.launch_parameters.as_str(),
         );